664762882

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:595

約数の個数: 64

約数和(自身を含む): 1239390720

約数和(自身を除く): 574627838

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 257, 277, 322, 406, 514, 554, 667, 1334, 1799, 1939, 3598, 3878, 4669, 5911, 6371, 7453, 8033, 9338, 11822, 12742, 14906, 16066, 41377, 44597, 52171, 56231, 71189, 82754, 89194, 104342, 112462, 142378, 171419, 184759, 342838, 369518, 498323, 996646, 1199933, 1293313, 1637347, 2064481, 2399866, 2586626, 3274694, 4128962, 11461429, 14451367, 22922858, 28902734, 47483063, 94966126, 332381441, 664762882]

約数ペア:

[(1, 664762882), (2, 332381441), (7, 94966126), (14, 47483063), (23, 28902734), (29, 22922858), (46, 14451367), (58, 11461429), (161, 4128962), (203, 3274694), (257, 2586626), (277, 2399866), (322, 2064481), (406, 1637347), (514, 1293313), (554, 1199933), (667, 996646), (1334, 498323), (1799, 369518), (1939, 342838), (3598, 184759), (3878, 171419), (4669, 142378), (5911, 112462), (6371, 104342), (7453, 89194), (8033, 82754), (9338, 71189), (11822, 56231), (12742, 52171), (14906, 44597), (16066, 41377)]