31390554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402443}}^1$

素因数の和:402461

約数の個数: 16

約数和(自身を含む): 67610592

約数和(自身を除く): 36220038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 402443, 804886, 1207329, 2414658, 5231759, 10463518, 15695277, 31390554]

約数ペア:

[(1, 31390554), (2, 15695277), (3, 10463518), (6, 5231759), (13, 2414658), (26, 1207329), (39, 804886), (78, 402443)]