31931426

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8443}}^1$

素因数の和:8537

約数の個数: 16

約数和(自身を含む): 50258688

約数和(自身を除く): 18327262

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 8443, 16886, 261733, 515023, 523466, 1030046, 15965713, 31931426]

約数ペア:

[(1, 31931426), (2, 15965713), (31, 1030046), (61, 523466), (62, 515023), (122, 261733), (1891, 16886), (3782, 8443)]