257456412

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2579}}^1$

素因数の和:2695

約数の個数: 72

約数和(自身を含む): 676166400

約数和(自身を除く): 418709988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 423, 531, 564, 708, 846, 1062, 1692, 2124, 2579, 2773, 5158, 5546, 7737, 8319, 10316, 11092, 15474, 16638, 23211, 24957, 30948, 33276, 46422, 49914, 92844, 99828, 121213, 152161, 242426, 304322, 363639, 456483, 484852, 608644, 727278, 912966, 1090917, 1369449, 1454556, 1825932, 2181834, 2738898, 4363668, 5477796, 7151567, 14303134, 21454701, 28606268, 42909402, 64364103, 85818804, 128728206, 257456412]

約数ペア:

[(1, 257456412), (2, 128728206), (3, 85818804), (4, 64364103), (6, 42909402), (9, 28606268), (12, 21454701), (18, 14303134), (36, 7151567), (47, 5477796), (59, 4363668), (94, 2738898), (118, 2181834), (141, 1825932), (177, 1454556), (188, 1369449), (236, 1090917), (282, 912966), (354, 727278), (423, 608644), (531, 484852), (564, 456483), (708, 363639), (846, 304322), (1062, 242426), (1692, 152161), (2124, 121213), (2579, 99828), (2773, 92844), (5158, 49914), (5546, 46422), (7737, 33276), (8319, 30948), (10316, 24957), (11092, 23211), (15474, 16638)]