201388621

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{8999}}^1$

素因数の和:9168

約数の個数: 16

約数和(自身を含む): 241920000

約数和(自身を除く): 40531379

約数列:

[1, 7, 23, 139, 161, 973, 3197, 8999, 22379, 62993, 206977, 1250861, 1448839, 8756027, 28769803, 201388621]

約数ペア:

[(1, 201388621), (7, 28769803), (23, 8756027), (139, 1448839), (161, 1250861), (973, 206977), (3197, 62993), (8999, 22379)]