31396235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 11181685

約数列:

[1, 5, 13, 43, 47, 65, 215, 235, 239, 559, 611, 1195, 2021, 2795, 3055, 3107, 10105, 10277, 11233, 15535, 26273, 51385, 56165, 131365, 133601, 146029, 483019, 668005, 730145, 2415095, 6279247, 31396235]

約数ペア:

[(1, 31396235), (5, 6279247), (13, 2415095), (43, 730145), (47, 668005), (65, 483019), (215, 146029), (235, 133601), (239, 131365), (559, 56165), (611, 51385), (1195, 26273), (2021, 15535), (2795, 11233), (3055, 10277), (3107, 10105)]