156780299

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{691}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 174849024

約数和(自身を除く): 18068725

約数列:

[1, 13, 31, 403, 563, 691, 7319, 8983, 17453, 21421, 226889, 278473, 389033, 5057429, 12060023, 156780299]

約数ペア:

[(1, 156780299), (13, 12060023), (31, 5057429), (403, 389033), (563, 278473), (691, 226889), (7319, 21421), (8983, 17453)]