157423472

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{138577}}^1$

素因数の和:138656

約数の個数: 20

約数和(自身を含む): 309306096

約数和(自身を除く): 151882624

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 138577, 277154, 554308, 1108616, 2217232, 9838967, 19677934, 39355868, 78711736, 157423472]

約数ペア:

[(1, 157423472), (2, 78711736), (4, 39355868), (8, 19677934), (16, 9838967), (71, 2217232), (142, 1108616), (284, 554308), (568, 277154), (1136, 138577)]