31938985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5521}}^1$

素因数の和:5628

約数の個数: 16

約数和(自身を含む): 41746320

約数和(自身を除く): 9807335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5521, 5785, 27605, 71773, 358865, 491369, 2456845, 6387797, 31938985]

約数ペア:

[(1, 31938985), (5, 6387797), (13, 2456845), (65, 491369), (89, 358865), (445, 71773), (1157, 27605), (5521, 5785)]