1188900505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{345109}}^1$

素因数の和:345180

約数の個数: 16

約数和(自身を含む): 1565418960

約数和(自身を除く): 376518455

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 345109, 1725545, 4486417, 18290777, 22432085, 91453885, 237780101, 1188900505]

約数ペア:

[(1, 1188900505), (5, 237780101), (13, 91453885), (53, 22432085), (65, 18290777), (265, 4486417), (689, 1725545), (3445, 345109)]