668845216

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{123677}}^1$

素因数の和:123713

約数の個数: 36

約数和(自身を含む): 1425883662

約数和(自身を除く): 757038446

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 123677, 247354, 494708, 989416, 1607801, 1978832, 3215602, 3957664, 6431204, 12862408, 20901413, 25724816, 41802826, 51449632, 83605652, 167211304, 334422608, 668845216]

約数ペア:

[(1, 668845216), (2, 334422608), (4, 167211304), (8, 83605652), (13, 51449632), (16, 41802826), (26, 25724816), (32, 20901413), (52, 12862408), (104, 6431204), (169, 3957664), (208, 3215602), (338, 1978832), (416, 1607801), (676, 989416), (1352, 494708), (2704, 247354), (5408, 123677)]