256486374

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4217}}^1$

素因数の和:4365

約数の個数: 48

約数和(自身を含む): 579047040

約数和(自身を除く): 322560666

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 186, 218, 279, 327, 558, 654, 981, 1962, 3379, 4217, 6758, 8434, 10137, 12651, 20274, 25302, 30411, 37953, 60822, 75906, 130727, 261454, 392181, 459653, 784362, 919306, 1176543, 1378959, 2353086, 2757918, 4136877, 8273754, 14249243, 28498486, 42747729, 85495458, 128243187, 256486374]

約数ペア:

[(1, 256486374), (2, 128243187), (3, 85495458), (6, 42747729), (9, 28498486), (18, 14249243), (31, 8273754), (62, 4136877), (93, 2757918), (109, 2353086), (186, 1378959), (218, 1176543), (279, 919306), (327, 784362), (558, 459653), (654, 392181), (981, 261454), (1962, 130727), (3379, 75906), (4217, 60822), (6758, 37953), (8434, 30411), (10137, 25302), (12651, 20274)]