81657988

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{4217}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 147393792

約数和(自身を除く): 65735804

約数列:

[1, 2, 4, 47, 94, 103, 188, 206, 412, 4217, 4841, 8434, 9682, 16868, 19364, 198199, 396398, 434351, 792796, 868702, 1737404, 20414497, 40828994, 81657988]

約数ペア:

[(1, 81657988), (2, 40828994), (4, 20414497), (47, 1737404), (94, 868702), (103, 792796), (188, 434351), (206, 396398), (412, 198199), (4217, 19364), (4841, 16868), (8434, 9682)]