57781945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 81691200

約数和(自身を除く): 23909255

約数列:

[1, 5, 13, 19, 59, 61, 65, 95, 169, 247, 295, 305, 767, 793, 845, 1121, 1159, 1235, 3211, 3599, 3835, 3965, 5605, 5795, 9971, 10309, 14573, 15067, 16055, 17995, 46787, 49855, 51545, 68381, 72865, 75335, 189449, 195871, 233935, 341905, 608231, 888953, 947245, 979355, 3041155, 4444765, 11556389, 57781945]

約数ペア:

[(1, 57781945), (5, 11556389), (13, 4444765), (19, 3041155), (59, 979355), (61, 947245), (65, 888953), (95, 608231), (169, 341905), (247, 233935), (295, 195871), (305, 189449), (767, 75335), (793, 72865), (845, 68381), (1121, 51545), (1159, 49855), (1235, 46787), (3211, 17995), (3599, 16055), (3835, 15067), (3965, 14573), (5605, 10309), (5795, 9971)]