245130145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{80239}}^1$

素因数の和:80304

約数の個数: 16

約数和(自身を含む): 323527680

約数和(自身を除く): 78397535

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 80239, 401195, 1043107, 3771233, 5215535, 18856165, 49026029, 245130145]

約数ペア:

[(1, 245130145), (5, 49026029), (13, 18856165), (47, 5215535), (65, 3771233), (235, 1043107), (611, 401195), (3055, 80239)]