2011968605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 2509920000

約数和(自身を除く): 497951395

約数列:

[1, 5, 41, 149, 199, 205, 331, 745, 995, 1655, 6109, 8159, 13571, 29651, 30545, 40795, 49319, 65869, 67855, 148255, 246595, 329345, 1215691, 2022079, 2700629, 6078455, 9814481, 10110395, 13503145, 49072405, 402393721, 2011968605]

約数ペア:

[(1, 2011968605), (5, 402393721), (41, 49072405), (149, 13503145), (199, 10110395), (205, 9814481), (331, 6078455), (745, 2700629), (995, 2022079), (1655, 1215691), (6109, 329345), (8159, 246595), (13571, 148255), (29651, 67855), (30545, 65869), (40795, 49319)]