261566590017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{61792249}}^1$

素因数の和:61792352

約数の個数: 16

約数和(自身を含む): 373719528000

約数和(自身を除く): 112152937983

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 61792249, 185376747, 1050468233, 3151404699, 5128756667, 15386270001, 87188863339, 261566590017]

約数ペア:

[(1, 261566590017), (3, 87188863339), (17, 15386270001), (51, 5128756667), (83, 3151404699), (249, 1050468233), (1411, 185376747), (4233, 61792249)]