256086908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26821}}^1$

素因数の和:26874

約数の個数: 48

約数和(自身を含む): 576780288

約数和(自身を除く): 320693380

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 26821, 53642, 107284, 187747, 295031, 375494, 590062, 750988, 831451, 1180124, 1662902, 2065217, 3325804, 4130434, 5820157, 8260868, 9145961, 11640314, 18291922, 23280628, 36583844, 64021727, 128043454, 256086908]

約数ペア:

[(1, 256086908), (2, 128043454), (4, 64021727), (7, 36583844), (11, 23280628), (14, 18291922), (22, 11640314), (28, 9145961), (31, 8260868), (44, 5820157), (62, 4130434), (77, 3325804), (124, 2065217), (154, 1662902), (217, 1180124), (308, 831451), (341, 750988), (434, 590062), (682, 375494), (868, 295031), (1364, 187747), (2387, 107284), (4774, 53642), (9548, 26821)]