641300690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1\times {\mathrm{2111}}^1$

素因数の和:3922

約数の個数: 32

約数和(自身を含む): 1223506944

約数和(自身を除く): 582206254

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1787, 2111, 3574, 4222, 8935, 10555, 17870, 21110, 30379, 35887, 60758, 71774, 151895, 179435, 303790, 358870, 3772357, 7544714, 18861785, 37723570, 64130069, 128260138, 320650345, 641300690]

約数ペア:

[(1, 641300690), (2, 320650345), (5, 128260138), (10, 64130069), (17, 37723570), (34, 18861785), (85, 7544714), (170, 3772357), (1787, 358870), (2111, 303790), (3574, 179435), (4222, 151895), (8935, 71774), (10555, 60758), (17870, 35887), (21110, 30379)]