31507964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 56506800

約数和(自身を除く): 24998836

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 556, 929, 1858, 3716, 8479, 16958, 33916, 56669, 113338, 129131, 226676, 258262, 516524, 7876991, 15753982, 31507964]

約数ペア:

[(1, 31507964), (2, 15753982), (4, 7876991), (61, 516524), (122, 258262), (139, 226676), (244, 129131), (278, 113338), (556, 56669), (929, 33916), (1858, 16958), (3716, 8479)]