215161595

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 287854560

約数和(自身を除く): 72692965

約数列:

[1, 5, 11, 55, 71, 121, 355, 605, 781, 3905, 5009, 8591, 25045, 42955, 55099, 275495, 355639, 606089, 1778195, 3030445, 3912029, 19560145, 43032319, 215161595]

約数ペア:

[(1, 215161595), (5, 43032319), (11, 19560145), (55, 3912029), (71, 3030445), (121, 1778195), (355, 606089), (605, 355639), (781, 275495), (3905, 55099), (5009, 42955), (8591, 25045)]