645390295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{6451}}^1$

素因数の和:6591

約数の個数: 32

約数和(自身を含む): 903073536

約数和(自身を除く): 257683241

約数列:

[1, 5, 11, 17, 55, 85, 107, 187, 535, 935, 1177, 1819, 5885, 6451, 9095, 20009, 32255, 70961, 100045, 109667, 354805, 548335, 690257, 1206337, 3451285, 6031685, 7592827, 11734369, 37964135, 58671845, 129078059, 645390295]

約数ペア:

[(1, 645390295), (5, 129078059), (11, 58671845), (17, 37964135), (55, 11734369), (85, 7592827), (107, 6031685), (187, 3451285), (535, 1206337), (935, 690257), (1177, 548335), (1819, 354805), (5885, 109667), (6451, 100045), (9095, 70961), (20009, 32255)]