251223588

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 216

約数和(自身を含む): 820126944

約数和(自身を除く): 568903356

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 107, 121, 126, 132, 147, 154, 196, 198, 214, 231, 242, 252, 294, 308, 321, 363, 396, 428, 441, 462, 484, 539, 588, 642, 693, 726, 749, 847, 882, 924, 963, 1078, 1089, 1177, 1284, 1331, 1386, 1452, 1498, 1617, 1694, 1764, 1926, 2156, 2178, 2247, 2354, 2541, 2662, 2772, 2996, 3234, 3388, 3531, 3852, 3993, 4356, 4494, 4708, 4851, 5082, 5243, 5324, 5929, 6468, 6741, 7062, 7623, 7986, 8239, 8988, 9317, 9702, 10164, 10486, 10593, 11858, 11979, 12947, 13482, 14124, 15246, 15729, 15972, 16478, 17787, 18634, 19404, 20972, 21186, 23716, 23958, 24717, 25894, 26964, 27951, 30492, 31458, 32956, 35574, 37268, 38841, 42372, 47187, 47916, 49434, 51788, 53361, 55902, 57673, 62916, 65219, 71148, 74151, 77682, 83853, 90629, 94374, 98868, 106722, 111804, 115346, 116523, 130438, 142417, 148302, 155364, 167706, 173019, 181258, 188748, 195657, 213444, 230692, 233046, 260876, 271887, 284834, 296604, 335412, 346038, 362516, 391314, 427251, 466092, 519057, 543774, 569668, 586971, 634403, 692076, 782628, 815661, 854502, 996919, 1038114, 1087548, 1173942, 1268806, 1281753, 1631322, 1709004, 1903209, 1993838, 2076228, 2347884, 2537612, 2563506, 2990757, 3262644, 3806418, 3987676, 5127012, 5709627, 5981514, 6978433, 7612836, 8972271, 11419254, 11963028, 13956866, 17944542, 20935299, 22838508, 27913732, 35889084, 41870598, 62805897, 83741196, 125611794, 251223588]

約数ペア:

[(1, 251223588), (2, 125611794), (3, 83741196), (4, 62805897), (6, 41870598), (7, 35889084), (9, 27913732), (11, 22838508), (12, 20935299), (14, 17944542), (18, 13956866), (21, 11963028), (22, 11419254), (28, 8972271), (33, 7612836), (36, 6978433), (42, 5981514), (44, 5709627), (49, 5127012), (63, 3987676), (66, 3806418), (77, 3262644), (84, 2990757), (98, 2563506), (99, 2537612), (107, 2347884), (121, 2076228), (126, 1993838), (132, 1903209), (147, 1709004), (154, 1631322), (196, 1281753), (198, 1268806), (214, 1173942), (231, 1087548), (242, 1038114), (252, 996919), (294, 854502), (308, 815661), (321, 782628), (363, 692076), (396, 634403), (428, 586971), (441, 569668), (462, 543774), (484, 519057), (539, 466092), (588, 427251), (642, 391314), (693, 362516), (726, 346038), (749, 335412), (847, 296604), (882, 284834), (924, 271887), (963, 260876), (1078, 233046), (1089, 230692), (1177, 213444), (1284, 195657), (1331, 188748), (1386, 181258), (1452, 173019), (1498, 167706), (1617, 155364), (1694, 148302), (1764, 142417), (1926, 130438), (2156, 116523), (2178, 115346), (2247, 111804), (2354, 106722), (2541, 98868), (2662, 94374), (2772, 90629), (2996, 83853), (3234, 77682), (3388, 74151), (3531, 71148), (3852, 65219), (3993, 62916), (4356, 57673), (4494, 55902), (4708, 53361), (4851, 51788), (5082, 49434), (5243, 47916), (5324, 47187), (5929, 42372), (6468, 38841), (6741, 37268), (7062, 35574), (7623, 32956), (7986, 31458), (8239, 30492), (8988, 27951), (9317, 26964), (9702, 25894), (10164, 24717), (10486, 23958), (10593, 23716), (11858, 21186), (11979, 20972), (12947, 19404), (13482, 18634), (14124, 17787), (15246, 16478), (15729, 15972)]