42638695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 15214745

約数列:

[1, 5, 11, 55, 61, 71, 179, 305, 355, 671, 781, 895, 1969, 3355, 3905, 4331, 9845, 10919, 12709, 21655, 47641, 54595, 63545, 120109, 139799, 238205, 600545, 698995, 775249, 3876245, 8527739, 42638695]

約数ペア:

[(1, 42638695), (5, 8527739), (11, 3876245), (55, 775249), (61, 698995), (71, 600545), (179, 238205), (305, 139799), (355, 120109), (671, 63545), (781, 54595), (895, 47641), (1969, 21655), (3355, 12709), (3905, 10919), (4331, 9845)]