81375664

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{14657}}^1$

素因数の和:15012

約数の個数: 20

約数和(自身を含む): 158130504

約数和(自身を除く): 76754840

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 5552, 14657, 29314, 58628, 117256, 234512, 5085979, 10171958, 20343916, 40687832, 81375664]

約数ペア:

[(1, 81375664), (2, 40687832), (4, 20343916), (8, 10171958), (16, 5085979), (347, 234512), (694, 117256), (1388, 58628), (2776, 29314), (5552, 14657)]