1393525010

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{108109}}^1$

素因数の和:109405

約数の個数: 16

約数和(自身を含む): 2510314200

約数和(自身を除く): 1116789190

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 108109, 216218, 540545, 1081090, 139352501, 278705002, 696762505, 1393525010]

約数ペア:

[(1, 1393525010), (2, 696762505), (5, 278705002), (10, 139352501), (1289, 1081090), (2578, 540545), (6445, 216218), (12890, 108109)]