857142713

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 1028090880

約数和(自身を除く): 170948167

約数列:

[1, 7, 47, 73, 89, 329, 401, 511, 623, 2807, 3431, 4183, 6497, 18847, 24017, 29273, 29281, 35689, 45479, 131929, 204911, 249823, 305359, 1375831, 1677383, 2137513, 2605297, 9630817, 11741681, 18237079, 122448959, 857142713]

約数ペア:

[(1, 857142713), (7, 122448959), (47, 18237079), (73, 11741681), (89, 9630817), (329, 2605297), (401, 2137513), (511, 1677383), (623, 1375831), (2807, 305359), (3431, 249823), (4183, 204911), (6497, 131929), (18847, 45479), (24017, 35689), (29273, 29281)]