25643212

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12899}}^1$

素因数の和:12981

約数の個数: 24

約数和(自身を含む): 52012800

約数和(自身を除く): 26369588

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 12899, 25798, 51596, 90293, 180586, 361172, 915829, 1831658, 3663316, 6410803, 12821606, 25643212]

約数ペア:

[(1, 25643212), (2, 12821606), (4, 6410803), (7, 3663316), (14, 1831658), (28, 915829), (71, 361172), (142, 180586), (284, 90293), (497, 51596), (994, 25798), (1988, 12899)]