664018768

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{111863}}^1$

素因数の和:111931

約数の個数: 40

約数和(自身を含む): 1498082688

約数和(自身を除く): 834063920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 111863, 223726, 447452, 783041, 894904, 1566082, 1789808, 3132164, 5928739, 6264328, 11857478, 12528656, 23714956, 41501173, 47429912, 83002346, 94859824, 166004692, 332009384, 664018768]

約数ペア:

[(1, 664018768), (2, 332009384), (4, 166004692), (7, 94859824), (8, 83002346), (14, 47429912), (16, 41501173), (28, 23714956), (53, 12528656), (56, 11857478), (106, 6264328), (112, 5928739), (212, 3132164), (371, 1789808), (424, 1566082), (742, 894904), (848, 783041), (1484, 447452), (2968, 223726), (5936, 111863)]