198741310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641101}}^1$

素因数の和:641139

約数の個数: 16

約数和(自身を含む): 369274752

約数和(自身を除く): 170533442

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 641101, 1282202, 3205505, 6411010, 19874131, 39748262, 99370655, 198741310]

約数ペア:

[(1, 198741310), (2, 99370655), (5, 39748262), (10, 19874131), (31, 6411010), (62, 3205505), (155, 1282202), (310, 641101)]