31139498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{13457}}^1$

素因数の和:13561

約数の個数: 16

約数和(自身を含む): 50871240

約数和(自身を除く): 19731742

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 13457, 26914, 174941, 349882, 1197673, 2395346, 15569749, 31139498]

約数ペア:

[(1, 31139498), (2, 15569749), (13, 2395346), (26, 1197673), (89, 349882), (178, 174941), (1157, 26914), (2314, 13457)]