28571690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2137}}^1$

素因数の和:2342

約数の個数: 32

約数和(自身を含む): 59111424

約数和(自身を除く): 30539734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 955, 1337, 1910, 2137, 2674, 4274, 6685, 10685, 13370, 14959, 21370, 29918, 74795, 149590, 408167, 816334, 2040835, 2857169, 4081670, 5714338, 14285845, 28571690]

約数ペア:

[(1, 28571690), (2, 14285845), (5, 5714338), (7, 4081670), (10, 2857169), (14, 2040835), (35, 816334), (70, 408167), (191, 149590), (382, 74795), (955, 29918), (1337, 21370), (1910, 14959), (2137, 13370), (2674, 10685), (4274, 6685)]