81378944

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{2851}}^1$

素因数の和:3088

約数の個数: 32

約数和(自身を含む): 162906240

約数和(自身を除く): 81527296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 892, 1784, 2851, 3568, 5702, 7136, 11404, 14272, 22808, 28544, 45616, 91232, 182464, 364928, 635773, 1271546, 2543092, 5086184, 10172368, 20344736, 40689472, 81378944]

約数ペア:

[(1, 81378944), (2, 40689472), (4, 20344736), (8, 10172368), (16, 5086184), (32, 2543092), (64, 1271546), (128, 635773), (223, 364928), (446, 182464), (892, 91232), (1784, 45616), (2851, 28544), (3568, 22808), (5702, 14272), (7136, 11404)]