201664490

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{30509}}^1$

素因数の和:31177

約数の個数: 16

約数和(自身を含む): 363557160

約数和(自身を除く): 161892670

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 30509, 61018, 152545, 305090, 20166449, 40332898, 100832245, 201664490]

約数ペア:

[(1, 201664490), (2, 100832245), (5, 40332898), (10, 20166449), (661, 305090), (1322, 152545), (3305, 61018), (6610, 30509)]