31512942

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 41063058

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 83, 89, 158, 166, 178, 237, 249, 267, 474, 498, 534, 711, 747, 801, 1422, 1494, 1602, 2133, 2241, 2403, 4266, 4482, 4806, 6557, 7031, 7387, 13114, 14062, 14774, 19671, 21093, 22161, 39342, 42186, 44322, 59013, 63279, 66483, 118026, 126558, 132966, 177039, 189837, 199449, 354078, 379674, 398898, 583573, 1167146, 1750719, 3501438, 5252157, 10504314, 15756471, 31512942]

約数ペア:

[(1, 31512942), (2, 15756471), (3, 10504314), (6, 5252157), (9, 3501438), (18, 1750719), (27, 1167146), (54, 583573), (79, 398898), (83, 379674), (89, 354078), (158, 199449), (166, 189837), (178, 177039), (237, 132966), (249, 126558), (267, 118026), (474, 66483), (498, 63279), (534, 59013), (711, 44322), (747, 42186), (801, 39342), (1422, 22161), (1494, 21093), (1602, 19671), (2133, 14774), (2241, 14062), (2403, 13114), (4266, 7387), (4482, 7031), (4806, 6557)]