1989103690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28415767}}^1$

素因数の和:28415781

約数の個数: 16

約数和(自身を含む): 4091870592

約数和(自身を除く): 2102766902

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28415767, 56831534, 142078835, 198910369, 284157670, 397820738, 994551845, 1989103690]

約数ペア:

[(1, 1989103690), (2, 994551845), (5, 397820738), (7, 284157670), (10, 198910369), (14, 142078835), (35, 56831534), (70, 28415767)]