680913233

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21943}}^1$

素因数の和:22005

約数の個数: 32

約数和(自身を含む): 943767552

約数和(自身を除く): 262854319

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 21943, 31031, 153601, 241373, 285259, 680233, 1689611, 1996813, 3137849, 4761631, 7482563, 8843029, 21964943, 52377941, 61901203, 97273319, 680913233]

約数ペア:

[(1, 680913233), (7, 97273319), (11, 61901203), (13, 52377941), (31, 21964943), (77, 8843029), (91, 7482563), (143, 4761631), (217, 3137849), (341, 1996813), (403, 1689611), (1001, 680233), (2387, 285259), (2821, 241373), (4433, 153601), (21943, 31031)]