217057825

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 275038200

約数和(自身を除く): 57980375

約数列:

[1, 5, 25, 61, 305, 317, 449, 1525, 1585, 2245, 7925, 11225, 19337, 27389, 96685, 136945, 142333, 483425, 684725, 711665, 3558325, 8682313, 43411565, 217057825]

約数ペア:

[(1, 217057825), (5, 43411565), (25, 8682313), (61, 3558325), (305, 711665), (317, 684725), (449, 483425), (1525, 142333), (1585, 136945), (2245, 96685), (7925, 27389), (11225, 19337)]