28402648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208843}}^1$

素因数の和:208866

約数の個数: 16

約数和(自身を含む): 56387880

約数和(自身を除く): 27985232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208843, 417686, 835372, 1670744, 3550331, 7100662, 14201324, 28402648]

約数ペア:

[(1, 28402648), (2, 14201324), (4, 7100662), (8, 3550331), (17, 1670744), (34, 835372), (68, 417686), (136, 208843)]