72158009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9661}}^1$

素因数の和:9776

約数の個数: 16

約数和(自身を含む): 90900096

約数和(自身を除く): 18742087

約数列:

[1, 7, 11, 77, 97, 679, 1067, 7469, 9661, 67627, 106271, 743897, 937117, 6559819, 10308287, 72158009]

約数ペア:

[(1, 72158009), (7, 10308287), (11, 6559819), (77, 937117), (97, 743897), (679, 106271), (1067, 67627), (7469, 9661)]