646755952

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 1340771328

約数和(自身を除く): 694015376

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 113, 151, 184, 206, 226, 302, 368, 412, 452, 604, 824, 904, 1208, 1648, 1808, 2369, 2416, 2599, 3473, 4738, 5198, 6946, 9476, 10396, 11639, 13892, 15553, 17063, 18952, 20792, 23278, 27784, 31106, 34126, 37904, 41584, 46556, 55568, 62212, 68252, 93112, 124424, 136504, 186224, 248848, 267697, 273008, 357719, 392449, 535394, 715438, 784898, 1070788, 1430876, 1569796, 1757489, 2141576, 2861752, 3139592, 3514978, 4283152, 5723504, 6279184, 7029956, 14059912, 28119824, 40422247, 80844494, 161688988, 323377976, 646755952]

約数ペア:

[(1, 646755952), (2, 323377976), (4, 161688988), (8, 80844494), (16, 40422247), (23, 28119824), (46, 14059912), (92, 7029956), (103, 6279184), (113, 5723504), (151, 4283152), (184, 3514978), (206, 3139592), (226, 2861752), (302, 2141576), (368, 1757489), (412, 1569796), (452, 1430876), (604, 1070788), (824, 784898), (904, 715438), (1208, 535394), (1648, 392449), (1808, 357719), (2369, 273008), (2416, 267697), (2599, 248848), (3473, 186224), (4738, 136504), (5198, 124424), (6946, 93112), (9476, 68252), (10396, 62212), (11639, 55568), (13892, 46556), (15553, 41584), (17063, 37904), (18952, 34126), (20792, 31106), (23278, 27784)]