81759248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124633}}^1$

素因数の和:124682

約数の個数: 20

約数和(自身を含む): 162273468

約数和(自身を除く): 80514220

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124633, 249266, 498532, 997064, 1994128, 5109953, 10219906, 20439812, 40879624, 81759248]

約数ペア:

[(1, 81759248), (2, 40879624), (4, 20439812), (8, 10219906), (16, 5109953), (41, 1994128), (82, 997064), (164, 498532), (328, 249266), (656, 124633)]