31810376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1163}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 64532160

約数和(自身を除く): 32721784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 1052, 1163, 2104, 2326, 3419, 4652, 6838, 9304, 13676, 15119, 27352, 30238, 60476, 120952, 305869, 611738, 1223476, 2446952, 3976297, 7952594, 15905188, 31810376]

約数ペア:

[(1, 31810376), (2, 15905188), (4, 7952594), (8, 3976297), (13, 2446952), (26, 1223476), (52, 611738), (104, 305869), (263, 120952), (526, 60476), (1052, 30238), (1163, 27352), (2104, 15119), (2326, 13676), (3419, 9304), (4652, 6838)]