1289225

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 1874880

約数和(自身を除く): 585655

約数列:

[1, 5, 7, 25, 35, 53, 139, 175, 265, 371, 695, 973, 1325, 1855, 3475, 4865, 7367, 9275, 24325, 36835, 51569, 184175, 257845, 1289225]

約数ペア:

[(1, 1289225), (5, 257845), (7, 184175), (25, 51569), (35, 36835), (53, 24325), (139, 9275), (175, 7367), (265, 4865), (371, 3475), (695, 1855), (973, 1325)]