3986990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{56957}}^1$

素因数の和:56971

約数の個数: 16

約数和(自身を含む): 8201952

約数和(自身を除く): 4214962

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 56957, 113914, 284785, 398699, 569570, 797398, 1993495, 3986990]

約数ペア:

[(1, 3986990), (2, 1993495), (5, 797398), (7, 569570), (10, 398699), (14, 284785), (35, 113914), (70, 56957)]