8661961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 11593728

約数和(自身を除く): 2931767

約数列:

[1, 7, 11, 23, 67, 73, 77, 161, 253, 469, 511, 737, 803, 1541, 1679, 1771, 4891, 5159, 5621, 10787, 11753, 16951, 18469, 34237, 53801, 112493, 118657, 129283, 376607, 787451, 1237423, 8661961]

約数ペア:

[(1, 8661961), (7, 1237423), (11, 787451), (23, 376607), (67, 129283), (73, 118657), (77, 112493), (161, 53801), (253, 34237), (469, 18469), (511, 16951), (737, 11753), (803, 10787), (1541, 5621), (1679, 5159), (1771, 4891)]