81769136

素因数分解:

$2^4\times {\mathrm{941}}^1\times {\mathrm{5431}}^1$

素因数の和:6380

約数の個数: 20

約数和(自身を含む): 158625264

約数和(自身を除く): 76856128

約数列:

[1, 2, 4, 8, 16, 941, 1882, 3764, 5431, 7528, 10862, 15056, 21724, 43448, 86896, 5110571, 10221142, 20442284, 40884568, 81769136]

約数ペア:

[(1, 81769136), (2, 40884568), (4, 20442284), (8, 10221142), (16, 5110571), (941, 86896), (1882, 43448), (3764, 21724), (5431, 15056), (7528, 10862)]