389660579

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 501935616

約数和(自身を除く): 112275037

約数列:

[1, 7, 11, 37, 77, 233, 259, 407, 587, 1631, 2563, 2849, 4109, 6457, 8621, 17941, 21719, 45199, 60347, 94831, 136771, 152033, 238909, 663817, 957397, 1504481, 1672363, 5060527, 10531367, 35423689, 55665797, 389660579]

約数ペア:

[(1, 389660579), (7, 55665797), (11, 35423689), (37, 10531367), (77, 5060527), (233, 1672363), (259, 1504481), (407, 957397), (587, 663817), (1631, 238909), (2563, 152033), (2849, 136771), (4109, 94831), (6457, 60347), (8621, 45199), (17941, 21719)]