771919681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 874944000

約数和(自身を除く): 103024319

約数列:

[1, 13, 47, 61, 139, 149, 611, 793, 1807, 1937, 2867, 6533, 7003, 8479, 9089, 20711, 37271, 84929, 91039, 110227, 118157, 269243, 398513, 427183, 973417, 1263371, 5180669, 5553379, 12654421, 16423823, 59378437, 771919681]

約数ペア:

[(1, 771919681), (13, 59378437), (47, 16423823), (61, 12654421), (139, 5553379), (149, 5180669), (611, 1263371), (793, 973417), (1807, 427183), (1937, 398513), (2867, 269243), (6533, 118157), (7003, 110227), (8479, 91039), (9089, 84929), (20711, 37271)]