161720072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{493049}}^1$

素因数の和:493096

約数の個数: 16

約数和(自身を含む): 310621500

約数和(自身を除く): 148901428

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 493049, 986098, 1972196, 3944392, 20215009, 40430018, 80860036, 161720072]

約数ペア:

[(1, 161720072), (2, 80860036), (4, 40430018), (8, 20215009), (41, 3944392), (82, 1972196), (164, 986098), (328, 493049)]