28304990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{404357}}^1$

素因数の和:404371

約数の個数: 16

約数和(自身を含む): 58227552

約数和(自身を除く): 29922562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 404357, 808714, 2021785, 2830499, 4043570, 5660998, 14152495, 28304990]

約数ペア:

[(1, 28304990), (2, 14152495), (5, 5660998), (7, 4043570), (10, 2830499), (14, 2021785), (35, 808714), (70, 404357)]