520090805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{587}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 691092864

約数和(自身を除く): 171002059

約数列:

[1, 5, 13, 43, 65, 215, 317, 559, 587, 1585, 2795, 2935, 4121, 7631, 13631, 20605, 25241, 38155, 68155, 126205, 177203, 186079, 328133, 886015, 930395, 1640665, 2419027, 8001397, 12095135, 40006985, 104018161, 520090805]

約数ペア:

[(1, 520090805), (5, 104018161), (13, 40006985), (43, 12095135), (65, 8001397), (215, 2419027), (317, 1640665), (559, 930395), (587, 886015), (1585, 328133), (2795, 186079), (2935, 177203), (4121, 126205), (7631, 68155), (13631, 38155), (20605, 25241)]