216516145

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{5419}}^1$

素因数の和:5616

約数の個数: 16

約数和(自身を含む): 266143680

約数和(自身を除く): 49627535

約数列:

[1, 5, 61, 131, 305, 655, 5419, 7991, 27095, 39955, 330559, 709889, 1652795, 3549445, 43303229, 216516145]

約数ペア:

[(1, 216516145), (5, 43303229), (61, 3549445), (131, 1652795), (305, 709889), (655, 330559), (5419, 39955), (7991, 27095)]