289586885

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{983}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 419420160

約数和(自身を除く): 129833275

約数列:

[1, 5, 7, 19, 35, 95, 133, 443, 665, 983, 2215, 3101, 4915, 6881, 8417, 15505, 18677, 34405, 42085, 58919, 93385, 130739, 294595, 435469, 653695, 2177345, 3048283, 8273911, 15241415, 41369555, 57917377, 289586885]

約数ペア:

[(1, 289586885), (5, 57917377), (7, 41369555), (19, 15241415), (35, 8273911), (95, 3048283), (133, 2177345), (443, 653695), (665, 435469), (983, 294595), (2215, 130739), (3101, 93385), (4915, 58919), (6881, 42085), (8417, 34405), (15505, 18677)]