12731615

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 32

約数和(自身を含む): 17707200

約数和(自身を除く): 4975585

約数列:

[1, 5, 13, 19, 61, 65, 95, 169, 247, 305, 793, 845, 1159, 1235, 2197, 3211, 3965, 5795, 10309, 10985, 15067, 16055, 41743, 51545, 75335, 134017, 195871, 208715, 670085, 979355, 2546323, 12731615]

約数ペア:

[(1, 12731615), (5, 2546323), (13, 979355), (19, 670085), (61, 208715), (65, 195871), (95, 134017), (169, 75335), (247, 51545), (305, 41743), (793, 16055), (845, 15067), (1159, 10985), (1235, 10309), (2197, 5795), (3211, 3965)]