161811365

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 206807040

約数和(自身を除く): 44995675

約数列:

[1, 5, 43, 47, 67, 215, 235, 239, 335, 1195, 2021, 2881, 3149, 10105, 10277, 11233, 14405, 15745, 16013, 51385, 56165, 80065, 135407, 483019, 677035, 688559, 752611, 2415095, 3442795, 3763055, 32362273, 161811365]

約数ペア:

[(1, 161811365), (5, 32362273), (43, 3763055), (47, 3442795), (67, 2415095), (215, 752611), (235, 688559), (239, 677035), (335, 483019), (1195, 135407), (2021, 80065), (2881, 56165), (3149, 51385), (10105, 16013), (10277, 15745), (11233, 14405)]