85171216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409477}}^1$

素因数の和:409498

約数の個数: 20

約数和(自身を含む): 177713452

約数和(自身を除く): 92542236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409477, 818954, 1637908, 3275816, 5323201, 6551632, 10646402, 21292804, 42585608, 85171216]

約数ペア:

[(1, 85171216), (2, 42585608), (4, 21292804), (8, 10646402), (13, 6551632), (16, 5323201), (26, 3275816), (52, 1637908), (104, 818954), (208, 409477)]