31257642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{400739}}^1$

素因数の和:400757

約数の個数: 16

約数和(自身を含む): 67324320

約数和(自身を除く): 36066678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 400739, 801478, 1202217, 2404434, 5209607, 10419214, 15628821, 31257642]

約数ペア:

[(1, 31257642), (2, 15628821), (3, 10419214), (6, 5209607), (13, 2404434), (26, 1202217), (39, 801478), (78, 400739)]