1247990785

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{503}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 1580705280

約数和(自身を除く): 332714495

約数列:

[1, 5, 29, 71, 145, 241, 355, 503, 1205, 2059, 2515, 6989, 10295, 14587, 17111, 34945, 35713, 72935, 85555, 121223, 178565, 496219, 606115, 1035677, 2481095, 3515467, 5178385, 8606833, 17577335, 43034165, 249598157, 1247990785]

約数ペア:

[(1, 1247990785), (5, 249598157), (29, 43034165), (71, 17577335), (145, 8606833), (241, 5178385), (355, 3515467), (503, 2481095), (1205, 1035677), (2059, 606115), (2515, 496219), (6989, 178565), (10295, 121223), (14587, 85555), (17111, 72935), (34945, 35713)]