257112136

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{9461}}^1$

素因数の和:9589

約数の個数: 32

約数和(自身を含む): 499593600

約数和(自身を除く): 242481464

約数列:

[1, 2, 4, 8, 43, 79, 86, 158, 172, 316, 344, 632, 3397, 6794, 9461, 13588, 18922, 27176, 37844, 75688, 406823, 747419, 813646, 1494838, 1627292, 2989676, 3254584, 5979352, 32139017, 64278034, 128556068, 257112136]

約数ペア:

[(1, 257112136), (2, 128556068), (4, 64278034), (8, 32139017), (43, 5979352), (79, 3254584), (86, 2989676), (158, 1627292), (172, 1494838), (316, 813646), (344, 747419), (632, 406823), (3397, 75688), (6794, 37844), (9461, 27176), (13588, 18922)]