178968348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{1009}}^1$

素因数の和:1411

約数の個数: 72

約数和(自身を含む): 488961200

約数和(自身を除く): 309992852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 379, 468, 758, 1009, 1137, 1516, 2018, 2274, 3027, 3411, 4036, 4548, 4927, 6054, 6822, 9081, 9854, 12108, 13117, 13644, 14781, 18162, 19708, 26234, 29562, 36324, 39351, 44343, 52468, 59124, 78702, 88686, 118053, 157404, 177372, 236106, 382411, 472212, 764822, 1147233, 1529644, 2294466, 3441699, 4588932, 4971343, 6883398, 9942686, 13766796, 14914029, 19885372, 29828058, 44742087, 59656116, 89484174, 178968348]

約数ペア:

[(1, 178968348), (2, 89484174), (3, 59656116), (4, 44742087), (6, 29828058), (9, 19885372), (12, 14914029), (13, 13766796), (18, 9942686), (26, 6883398), (36, 4971343), (39, 4588932), (52, 3441699), (78, 2294466), (117, 1529644), (156, 1147233), (234, 764822), (379, 472212), (468, 382411), (758, 236106), (1009, 177372), (1137, 157404), (1516, 118053), (2018, 88686), (2274, 78702), (3027, 59124), (3411, 52468), (4036, 44343), (4548, 39351), (4927, 36324), (6054, 29562), (6822, 26234), (9081, 19708), (9854, 18162), (12108, 14781), (13117, 13644)]