661942138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{2087}}^1$

素因数の和:3222

約数の個数: 32

約数和(自身を含む): 1168110720

約数和(自身を除く): 506168582

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 1109, 2087, 2218, 4174, 12199, 14417, 22957, 24398, 27131, 28834, 45914, 54262, 158587, 298441, 317174, 596882, 2314483, 4628966, 25459313, 30088279, 50918626, 60176558, 330971069, 661942138]

約数ペア:

[(1, 661942138), (2, 330971069), (11, 60176558), (13, 50918626), (22, 30088279), (26, 25459313), (143, 4628966), (286, 2314483), (1109, 596882), (2087, 317174), (2218, 298441), (4174, 158587), (12199, 54262), (14417, 45914), (22957, 28834), (24398, 27131)]