28611492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 88482240

約数和(自身を除く): 59870748

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 76, 78, 84, 91, 98, 114, 133, 147, 156, 182, 196, 197, 228, 247, 266, 273, 294, 364, 394, 399, 494, 532, 546, 588, 591, 637, 741, 788, 798, 931, 988, 1092, 1182, 1274, 1379, 1482, 1596, 1729, 1862, 1911, 2364, 2548, 2561, 2758, 2793, 2964, 3458, 3724, 3743, 3822, 4137, 5122, 5187, 5516, 5586, 6916, 7486, 7644, 7683, 8274, 9653, 10244, 10374, 11172, 11229, 12103, 14972, 15366, 16548, 17927, 19306, 20748, 22458, 24206, 26201, 28959, 30732, 35854, 36309, 38612, 44916, 48412, 48659, 52402, 53781, 57918, 71708, 72618, 78603, 97318, 104804, 107562, 115836, 125489, 145236, 145977, 157206, 183407, 194636, 215124, 250978, 291954, 314412, 340613, 366814, 376467, 501956, 550221, 583908, 681226, 733628, 752934, 1021839, 1100442, 1362452, 1505868, 2043678, 2200884, 2384291, 4087356, 4768582, 7152873, 9537164, 14305746, 28611492]

約数ペア:

[(1, 28611492), (2, 14305746), (3, 9537164), (4, 7152873), (6, 4768582), (7, 4087356), (12, 2384291), (13, 2200884), (14, 2043678), (19, 1505868), (21, 1362452), (26, 1100442), (28, 1021839), (38, 752934), (39, 733628), (42, 681226), (49, 583908), (52, 550221), (57, 501956), (76, 376467), (78, 366814), (84, 340613), (91, 314412), (98, 291954), (114, 250978), (133, 215124), (147, 194636), (156, 183407), (182, 157206), (196, 145977), (197, 145236), (228, 125489), (247, 115836), (266, 107562), (273, 104804), (294, 97318), (364, 78603), (394, 72618), (399, 71708), (494, 57918), (532, 53781), (546, 52402), (588, 48659), (591, 48412), (637, 44916), (741, 38612), (788, 36309), (798, 35854), (931, 30732), (988, 28959), (1092, 26201), (1182, 24206), (1274, 22458), (1379, 20748), (1482, 19306), (1596, 17927), (1729, 16548), (1862, 15366), (1911, 14972), (2364, 12103), (2548, 11229), (2561, 11172), (2758, 10374), (2793, 10244), (2964, 9653), (3458, 8274), (3724, 7683), (3743, 7644), (3822, 7486), (4137, 6916), (5122, 5586), (5187, 5516)]