257003628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{11813}}^1$

素因数の和:11871

約数の個数: 72

約数和(自身を含む): 716495472

約数和(自身を除く): 459491844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 1036, 1554, 1813, 3108, 3626, 5439, 7252, 10878, 11813, 21756, 23626, 35439, 47252, 70878, 82691, 141756, 165382, 248073, 330764, 437081, 496146, 578837, 874162, 992292, 1157674, 1311243, 1736511, 1748324, 2315348, 2622486, 3059567, 3473022, 5244972, 6119134, 6946044, 9178701, 12238268, 18357402, 21416969, 36714804, 42833938, 64250907, 85667876, 128501814, 257003628]

約数ペア:

[(1, 257003628), (2, 128501814), (3, 85667876), (4, 64250907), (6, 42833938), (7, 36714804), (12, 21416969), (14, 18357402), (21, 12238268), (28, 9178701), (37, 6946044), (42, 6119134), (49, 5244972), (74, 3473022), (84, 3059567), (98, 2622486), (111, 2315348), (147, 1748324), (148, 1736511), (196, 1311243), (222, 1157674), (259, 992292), (294, 874162), (444, 578837), (518, 496146), (588, 437081), (777, 330764), (1036, 248073), (1554, 165382), (1813, 141756), (3108, 82691), (3626, 70878), (5439, 47252), (7252, 35439), (10878, 23626), (11813, 21756)]