31809278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{13177}}^1$

素因数の和:13267

約数の個数: 16

約数和(自身を含む): 51236064

約数和(自身を除く): 19426786

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 13177, 26354, 224009, 448018, 935567, 1871134, 15904639, 31809278]

約数ペア:

[(1, 31809278), (2, 15904639), (17, 1871134), (34, 935567), (71, 448018), (142, 224009), (1207, 26354), (2414, 13177)]