30931802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{12899}}^1$

素因数の和:13021

約数の個数: 16

約数和(自身を含む): 51084000

約数和(自身を除く): 20152198

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 12899, 25798, 141889, 283778, 1405991, 2811982, 15465901, 30931802]

約数ペア:

[(1, 30931802), (2, 15465901), (11, 2811982), (22, 1405991), (109, 283778), (218, 141889), (1199, 25798), (2398, 12899)]