208056551168

素因数分解:

$2^8\times {\mathrm{812720903}}^1$

素因数の和:812720919

約数の個数: 18

約数和(自身を含む): 415300381944

約数和(自身を除く): 207243830776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 812720903, 1625441806, 3250883612, 6501767224, 13003534448, 26007068896, 52014137792, 104028275584, 208056551168]

約数ペア:

[(1, 208056551168), (2, 104028275584), (4, 52014137792), (8, 26007068896), (16, 13003534448), (32, 6501767224), (64, 3250883612), (128, 1625441806), (256, 812720903)]