8851856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{42557}}^1$

素因数の和:42578

約数の個数: 20

約数和(自身を含む): 18470172

約数和(自身を除く): 9618316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 42557, 85114, 170228, 340456, 553241, 680912, 1106482, 2212964, 4425928, 8851856]

約数ペア:

[(1, 8851856), (2, 4425928), (4, 2212964), (8, 1106482), (13, 680912), (16, 553241), (26, 340456), (52, 170228), (104, 85114), (208, 42557)]