279011735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 378639360

約数和(自身を除く): 99627625

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1955, 3319, 3655, 4945, 16595, 16813, 56423, 76337, 84065, 142717, 282115, 381685, 713585, 1297729, 2426189, 3282491, 6488645, 12130945, 16412455, 55802347, 279011735]

約数ペア:

[(1, 279011735), (5, 55802347), (17, 16412455), (23, 12130945), (43, 6488645), (85, 3282491), (115, 2426189), (215, 1297729), (391, 713585), (731, 381685), (989, 282115), (1955, 142717), (3319, 84065), (3655, 76337), (4945, 56423), (16595, 16813)]