68120728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2417}}^1$

素因数の和:2707

約数の個数: 32

約数和(自身を含む): 138116160

約数和(自身を除く): 69995432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 2168, 2417, 3523, 4834, 7046, 9668, 14092, 19336, 28184, 31421, 62842, 125684, 251368, 655007, 1310014, 2620028, 5240056, 8515091, 17030182, 34060364, 68120728]

約数ペア:

[(1, 68120728), (2, 34060364), (4, 17030182), (8, 8515091), (13, 5240056), (26, 2620028), (52, 1310014), (104, 655007), (271, 251368), (542, 125684), (1084, 62842), (2168, 31421), (2417, 28184), (3523, 19336), (4834, 14092), (7046, 9668)]