28042070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{400601}}^1$

素因数の和:400615

約数の個数: 16

約数和(自身を含む): 57686688

約数和(自身を除く): 29644618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 400601, 801202, 2003005, 2804207, 4006010, 5608414, 14021035, 28042070]

約数ペア:

[(1, 28042070), (2, 14021035), (5, 5608414), (7, 4006010), (10, 2804207), (14, 2003005), (35, 801202), (70, 400601)]