79639216

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{35809}}^1$

素因数の和:35956

約数の個数: 20

約数和(自身を含む): 155415400

約数和(自身を除く): 75776184

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 35809, 71618, 143236, 286472, 572944, 4977451, 9954902, 19909804, 39819608, 79639216]

約数ペア:

[(1, 79639216), (2, 39819608), (4, 19909804), (8, 9954902), (16, 4977451), (139, 572944), (278, 286472), (556, 143236), (1112, 71618), (2224, 35809)]