311397156

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 216

約数和(自身を含む): 997244640

約数和(自身を除く): 685847484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 84, 98, 108, 114, 126, 133, 147, 163, 171, 189, 196, 228, 252, 266, 294, 326, 342, 361, 378, 399, 441, 489, 513, 532, 588, 652, 684, 722, 756, 798, 882, 931, 978, 1026, 1083, 1141, 1197, 1323, 1444, 1467, 1596, 1764, 1862, 1956, 2052, 2166, 2282, 2394, 2527, 2646, 2793, 2934, 3097, 3249, 3423, 3591, 3724, 4332, 4401, 4564, 4788, 5054, 5292, 5586, 5868, 6194, 6498, 6846, 7182, 7581, 7987, 8379, 8802, 9291, 9747, 10108, 10269, 11172, 12388, 12996, 13692, 14364, 15162, 15974, 16758, 17604, 17689, 18582, 19494, 20538, 21679, 22743, 23961, 25137, 27873, 30324, 30807, 31948, 33516, 35378, 37164, 38988, 41076, 43358, 45486, 47922, 50274, 53067, 55746, 58843, 61614, 65037, 68229, 70756, 71883, 83619, 86716, 90972, 95844, 100548, 106134, 111492, 117686, 123228, 130074, 136458, 143766, 151753, 159201, 167238, 176529, 195111, 212268, 215649, 235372, 260148, 272916, 287532, 303506, 318402, 334476, 353058, 390222, 411901, 431298, 455259, 477603, 529587, 585333, 607012, 636804, 706116, 780444, 823802, 862596, 910518, 955206, 1059174, 1170666, 1235703, 1365777, 1588761, 1647604, 1821036, 1910412, 2118348, 2341332, 2471406, 2731554, 2883307, 3177522, 3707109, 4097331, 4942812, 5463108, 5766614, 6355044, 7414218, 8194662, 8649921, 11121327, 11533228, 14828436, 16389324, 17299842, 22242654, 25949763, 34599684, 44485308, 51899526, 77849289, 103799052, 155698578, 311397156]

約数ペア:

[(1, 311397156), (2, 155698578), (3, 103799052), (4, 77849289), (6, 51899526), (7, 44485308), (9, 34599684), (12, 25949763), (14, 22242654), (18, 17299842), (19, 16389324), (21, 14828436), (27, 11533228), (28, 11121327), (36, 8649921), (38, 8194662), (42, 7414218), (49, 6355044), (54, 5766614), (57, 5463108), (63, 4942812), (76, 4097331), (84, 3707109), (98, 3177522), (108, 2883307), (114, 2731554), (126, 2471406), (133, 2341332), (147, 2118348), (163, 1910412), (171, 1821036), (189, 1647604), (196, 1588761), (228, 1365777), (252, 1235703), (266, 1170666), (294, 1059174), (326, 955206), (342, 910518), (361, 862596), (378, 823802), (399, 780444), (441, 706116), (489, 636804), (513, 607012), (532, 585333), (588, 529587), (652, 477603), (684, 455259), (722, 431298), (756, 411901), (798, 390222), (882, 353058), (931, 334476), (978, 318402), (1026, 303506), (1083, 287532), (1141, 272916), (1197, 260148), (1323, 235372), (1444, 215649), (1467, 212268), (1596, 195111), (1764, 176529), (1862, 167238), (1956, 159201), (2052, 151753), (2166, 143766), (2282, 136458), (2394, 130074), (2527, 123228), (2646, 117686), (2793, 111492), (2934, 106134), (3097, 100548), (3249, 95844), (3423, 90972), (3591, 86716), (3724, 83619), (4332, 71883), (4401, 70756), (4564, 68229), (4788, 65037), (5054, 61614), (5292, 58843), (5586, 55746), (5868, 53067), (6194, 50274), (6498, 47922), (6846, 45486), (7182, 43358), (7581, 41076), (7987, 38988), (8379, 37164), (8802, 35378), (9291, 33516), (9747, 31948), (10108, 30807), (10269, 30324), (11172, 27873), (12388, 25137), (12996, 23961), (13692, 22743), (14364, 21679), (15162, 20538), (15974, 19494), (16758, 18582), (17604, 17689)]