81191632

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{8887}}^1$

素因数の和:9466

約数の個数: 20

約数和(自身を含む): 157602016

約数和(自身を除く): 76410384

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 8887, 9136, 17774, 35548, 71096, 142192, 5074477, 10148954, 20297908, 40595816, 81191632]

約数ペア:

[(1, 81191632), (2, 40595816), (4, 20297908), (8, 10148954), (16, 5074477), (571, 142192), (1142, 71096), (2284, 35548), (4568, 17774), (8887, 9136)]