201971518

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{142837}}^1$

素因数の和:142947

約数の個数: 16

約数和(自身を含む): 349667424

約数和(自身を除く): 147695906

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 142837, 285674, 999859, 1999718, 14426537, 28853074, 100985759, 201971518]

約数ペア:

[(1, 201971518), (2, 100985759), (7, 28853074), (14, 14426537), (101, 1999718), (202, 999859), (707, 285674), (1414, 142837)]