81770768

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{7549}}^1$

素因数の和:8234

約数の個数: 20

約数和(自身を含む): 158685900

約数和(自身を除く): 76915132

約数列:

[1, 2, 4, 8, 16, 677, 1354, 2708, 5416, 7549, 10832, 15098, 30196, 60392, 120784, 5110673, 10221346, 20442692, 40885384, 81770768]

約数ペア:

[(1, 81770768), (2, 40885384), (4, 20442692), (8, 10221346), (16, 5110673), (677, 120784), (1354, 60392), (2708, 30196), (5416, 15098), (7549, 10832)]