66990385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 100859904

約数和(自身を除く): 33869519

約数列:

[1, 5, 7, 11, 35, 55, 77, 191, 385, 911, 955, 1337, 2101, 4555, 6377, 6685, 10021, 10505, 14707, 31885, 50105, 70147, 73535, 174001, 350735, 870005, 1218007, 1914011, 6090035, 9570055, 13398077, 66990385]

約数ペア:

[(1, 66990385), (5, 13398077), (7, 9570055), (11, 6090035), (35, 1914011), (55, 1218007), (77, 870005), (191, 350735), (385, 174001), (911, 73535), (955, 70147), (1337, 50105), (2101, 31885), (4555, 14707), (6377, 10505), (6685, 10021)]