389328021238

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{8407723}}^1$

素因数の和:8407888

約数の個数: 24

約数和(自身を含む): 636985985688

約数和(自身を除く): 247657964450

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 1781, 3562, 23153, 46306, 8407723, 16815446, 109300399, 218600798, 1151858051, 1420905187, 2303716102, 2841810374, 14974154663, 29948309326, 194664010619, 389328021238]

約数ペア:

[(1, 389328021238), (2, 194664010619), (13, 29948309326), (26, 14974154663), (137, 2841810374), (169, 2303716102), (274, 1420905187), (338, 1151858051), (1781, 218600798), (3562, 109300399), (23153, 16815446), (46306, 8407723)]