1215814655

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{105769}}^1$

素因数の和:105815

約数の個数: 24

約数和(自身を含む): 1688089200

約数和(自身を除く): 472274545

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 2299, 11495, 105769, 528845, 1163459, 2009611, 5817295, 10048055, 12798049, 22105721, 63990245, 110528605, 243162931, 1215814655]

約数ペア:

[(1, 1215814655), (5, 243162931), (11, 110528605), (19, 63990245), (55, 22105721), (95, 12798049), (121, 10048055), (209, 5817295), (605, 2009611), (1045, 1163459), (2299, 528845), (11495, 105769)]