131257844

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 246005760

約数和(自身を除く): 114747916

約数列:

[1, 2, 4, 31, 43, 62, 86, 103, 124, 172, 206, 239, 412, 478, 956, 1333, 2666, 3193, 4429, 5332, 6386, 7409, 8858, 10277, 12772, 14818, 17716, 20554, 24617, 29636, 41108, 49234, 98468, 137299, 274598, 318587, 549196, 637174, 763127, 1058531, 1274348, 1526254, 2117062, 3052508, 4234124, 32814461, 65628922, 131257844]

約数ペア:

[(1, 131257844), (2, 65628922), (4, 32814461), (31, 4234124), (43, 3052508), (62, 2117062), (86, 1526254), (103, 1274348), (124, 1058531), (172, 763127), (206, 637174), (239, 549196), (412, 318587), (478, 274598), (956, 137299), (1333, 98468), (2666, 49234), (3193, 41108), (4429, 29636), (5332, 24617), (6386, 20554), (7409, 17716), (8858, 14818), (10277, 12772)]