128666798

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{2521}}^1$

素因数の和:2700

約数の個数: 24

約数和(自身を含む): 210455856

約数和(自身を除く): 81789058

約数列:

[1, 2, 13, 26, 151, 169, 302, 338, 1963, 2521, 3926, 5042, 25519, 32773, 51038, 65546, 380671, 426049, 761342, 852098, 4948723, 9897446, 64333399, 128666798]

約数ペア:

[(1, 128666798), (2, 64333399), (13, 9897446), (26, 4948723), (151, 852098), (169, 761342), (302, 426049), (338, 380671), (1963, 65546), (2521, 51038), (3926, 32773), (5042, 25519)]