260488319

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7167

約数の個数: 24

約数和(自身を含む): 332808192

約数和(自身を除く): 72319873

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 1183, 2821, 5239, 7103, 36673, 49721, 92339, 220193, 646373, 1200407, 1541351, 2862509, 8402849, 20037563, 37212617, 260488319]

約数ペア:

[(1, 260488319), (7, 37212617), (13, 20037563), (31, 8402849), (91, 2862509), (169, 1541351), (217, 1200407), (403, 646373), (1183, 220193), (2821, 92339), (5239, 49721), (7103, 36673)]