25980815

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 37188096

約数和(自身を除く): 11207281

約数列:

[1, 5, 7, 35, 43, 61, 215, 283, 301, 305, 427, 1415, 1505, 1981, 2135, 2623, 9905, 12169, 13115, 17263, 18361, 60845, 85183, 86315, 91805, 120841, 425915, 604205, 742309, 3711545, 5196163, 25980815]

約数ペア:

[(1, 25980815), (5, 5196163), (7, 3711545), (35, 742309), (43, 604205), (61, 425915), (215, 120841), (283, 91805), (301, 86315), (305, 85183), (427, 60845), (1415, 18361), (1505, 17263), (1981, 13115), (2135, 12169), (2623, 9905)]