128035856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{615557}}^1$

素因数の和:615578

約数の個数: 20

約数和(自身を含む): 267152172

約数和(自身を除く): 139116316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 615557, 1231114, 2462228, 4924456, 8002241, 9848912, 16004482, 32008964, 64017928, 128035856]

約数ペア:

[(1, 128035856), (2, 64017928), (4, 32008964), (8, 16004482), (13, 9848912), (16, 8002241), (26, 4924456), (52, 2462228), (104, 1231114), (208, 615557)]