78142370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2657}}^1$

素因数の和:2854

約数の個数: 32

約数和(自身を含む): 149847408

約数和(自身を除く): 71705038

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 865, 1730, 2657, 2941, 5314, 5882, 13285, 14705, 26570, 29410, 45169, 90338, 225845, 451690, 459661, 919322, 2298305, 4596610, 7814237, 15628474, 39071185, 78142370]

約数ペア:

[(1, 78142370), (2, 39071185), (5, 15628474), (10, 7814237), (17, 4596610), (34, 2298305), (85, 919322), (170, 459661), (173, 451690), (346, 225845), (865, 90338), (1730, 45169), (2657, 29410), (2941, 26570), (5314, 14705), (5882, 13285)]