218500894975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2554819}}^1$

素因数の和:2555151

約数の個数: 24

約数和(自身を含む): 296522628480

約数和(自身を除く): 78021733505

約数列:

[1, 5, 11, 25, 55, 275, 311, 1555, 3421, 7775, 17105, 85525, 2554819, 12774095, 28103009, 63870475, 140515045, 702575225, 794548709, 3972743545, 8740035799, 19863717725, 43700178995, 218500894975]

約数ペア:

[(1, 218500894975), (5, 43700178995), (11, 19863717725), (25, 8740035799), (55, 3972743545), (275, 794548709), (311, 702575225), (1555, 140515045), (3421, 63870475), (7775, 28103009), (17105, 12774095), (85525, 2554819)]