31685864

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 71280000

約数和(自身を除く): 39594136

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 109, 116, 179, 203, 218, 232, 358, 406, 436, 716, 763, 812, 872, 1253, 1432, 1526, 1624, 2506, 3052, 3161, 5012, 5191, 6104, 6322, 10024, 10382, 12644, 19511, 20764, 22127, 25288, 36337, 39022, 41528, 44254, 72674, 78044, 88508, 136577, 145348, 156088, 177016, 273154, 290696, 546308, 565819, 1092616, 1131638, 2263276, 3960733, 4526552, 7921466, 15842932, 31685864]

約数ペア:

[(1, 31685864), (2, 15842932), (4, 7921466), (7, 4526552), (8, 3960733), (14, 2263276), (28, 1131638), (29, 1092616), (56, 565819), (58, 546308), (109, 290696), (116, 273154), (179, 177016), (203, 156088), (218, 145348), (232, 136577), (358, 88508), (406, 78044), (436, 72674), (716, 44254), (763, 41528), (812, 39022), (872, 36337), (1253, 25288), (1432, 22127), (1526, 20764), (1624, 19511), (2506, 12644), (3052, 10382), (3161, 10024), (5012, 6322), (5191, 6104)]