1817660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7013

約数の個数: 24

約数和(自身を含む): 4111296

約数和(自身を除く): 2293636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6991, 13982, 27964, 34955, 69910, 90883, 139820, 181766, 363532, 454415, 908830, 1817660]

約数ペア:

[(1, 1817660), (2, 908830), (4, 454415), (5, 363532), (10, 181766), (13, 139820), (20, 90883), (26, 69910), (52, 34955), (65, 27964), (130, 13982), (260, 6991)]