211326968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1390309}}^1$

素因数の和:1390334

約数の個数: 16

約数和(自身を含む): 417093000

約数和(自身を除く): 205766032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1390309, 2780618, 5561236, 11122472, 26415871, 52831742, 105663484, 211326968]

約数ペア:

[(1, 211326968), (2, 105663484), (4, 52831742), (8, 26415871), (19, 11122472), (38, 5561236), (76, 2780618), (152, 1390309)]