66541490

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{40823}}^1$

素因数の和:40993

約数の個数: 16

約数和(自身を含む): 120512448

約数和(自身を除く): 53970958

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 40823, 81646, 204115, 408230, 6654149, 13308298, 33270745, 66541490]

約数ペア:

[(1, 66541490), (2, 33270745), (5, 13308298), (10, 6654149), (163, 408230), (326, 204115), (815, 81646), (1630, 40823)]