68643890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12413}}^1$

素因数の和:12506

約数の個数: 32

約数和(自身を含む): 143009280

約数和(自身を除く): 74365390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 12413, 24826, 62065, 86891, 124130, 173782, 434455, 868910, 980627, 1961254, 4903135, 6864389, 9806270, 13728778, 34321945, 68643890]

約数ペア:

[(1, 68643890), (2, 34321945), (5, 13728778), (7, 9806270), (10, 6864389), (14, 4903135), (35, 1961254), (70, 980627), (79, 868910), (158, 434455), (395, 173782), (553, 124130), (790, 86891), (1106, 62065), (2765, 24826), (5530, 12413)]