81777232

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71987}}^1$

素因数の和:72066

約数の個数: 20

約数和(自身を含む): 160677216

約数和(自身を除く): 78899984

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71987, 143974, 287948, 575896, 1151792, 5111077, 10222154, 20444308, 40888616, 81777232]

約数ペア:

[(1, 81777232), (2, 40888616), (4, 20444308), (8, 10222154), (16, 5111077), (71, 1151792), (142, 575896), (284, 287948), (568, 143974), (1136, 71987)]