81311098

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{8779}}^1$

素因数の和:9213

約数の個数: 16

約数和(自身を含む): 133385760

約数和(自身を除く): 52074662

約数列:

[1, 2, 11, 22, 421, 842, 4631, 8779, 9262, 17558, 96569, 193138, 3695959, 7391918, 40655549, 81311098]

約数ペア:

[(1, 81311098), (2, 40655549), (11, 7391918), (22, 3695959), (421, 193138), (842, 96569), (4631, 17558), (8779, 9262)]