81307204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{49943}}^1$

素因数の和:49995

約数の個数: 24

約数和(自身を含む): 159421248

約数和(自身を除く): 78114044

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 49943, 99886, 199772, 549373, 1098746, 1847891, 2197492, 3695782, 7391564, 20326801, 40653602, 81307204]

約数ペア:

[(1, 81307204), (2, 40653602), (4, 20326801), (11, 7391564), (22, 3695782), (37, 2197492), (44, 1847891), (74, 1098746), (148, 549373), (407, 199772), (814, 99886), (1628, 49943)]