66870115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{4003}}^1$

素因数の和:4278

約数の個数: 16

約数和(自身を含む): 86774688

約数和(自身を除く): 19904573

約数列:

[1, 5, 13, 65, 257, 1285, 3341, 4003, 16705, 20015, 52039, 260195, 1028771, 5143855, 13374023, 66870115]

約数ペア:

[(1, 66870115), (5, 13374023), (13, 5143855), (65, 1028771), (257, 260195), (1285, 52039), (3341, 20015), (4003, 16705)]