25566387

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 43972992

約数和(自身を除く): 18406605

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 97, 147, 163, 231, 291, 489, 539, 679, 1067, 1141, 1617, 1793, 2037, 3201, 3423, 4753, 5379, 7469, 7987, 12551, 14259, 15811, 22407, 23961, 37653, 47433, 52283, 87857, 110677, 156849, 173921, 263571, 332031, 521763, 774739, 1217447, 2324217, 3652341, 8522129, 25566387]

約数ペア:

[(1, 25566387), (3, 8522129), (7, 3652341), (11, 2324217), (21, 1217447), (33, 774739), (49, 521763), (77, 332031), (97, 263571), (147, 173921), (163, 156849), (231, 110677), (291, 87857), (489, 52283), (539, 47433), (679, 37653), (1067, 23961), (1141, 22407), (1617, 15811), (1793, 14259), (2037, 12551), (3201, 7987), (3423, 7469), (4753, 5379)]