65538710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 120204000

約数和(自身を除く): 54665290

約数列:

[1, 2, 5, 10, 89, 178, 211, 349, 422, 445, 698, 890, 1055, 1745, 2110, 3490, 18779, 31061, 37558, 62122, 73639, 93895, 147278, 155305, 187790, 310610, 368195, 736390, 6553871, 13107742, 32769355, 65538710]

約数ペア:

[(1, 65538710), (2, 32769355), (5, 13107742), (10, 6553871), (89, 736390), (178, 368195), (211, 310610), (349, 187790), (422, 155305), (445, 147278), (698, 93895), (890, 73639), (1055, 62122), (1745, 37558), (2110, 31061), (3490, 18779)]