1266815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 1714176

約数和(自身を除く): 447361

約数列:

[1, 5, 11, 31, 55, 155, 341, 743, 1705, 3715, 8173, 23033, 40865, 115165, 253363, 1266815]

約数ペア:

[(1, 1266815), (5, 253363), (11, 115165), (31, 40865), (55, 23033), (155, 8173), (341, 3715), (743, 1705)]