68166488

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 139841280

約数和(自身を除く): 71674792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 169, 254, 338, 397, 508, 676, 794, 1016, 1352, 1588, 1651, 3176, 3302, 5161, 6604, 10322, 13208, 20644, 21463, 41288, 42926, 50419, 67093, 85852, 100838, 134186, 171704, 201676, 268372, 403352, 536744, 655447, 1310894, 2621788, 5243576, 8520811, 17041622, 34083244, 68166488]

約数ペア:

[(1, 68166488), (2, 34083244), (4, 17041622), (8, 8520811), (13, 5243576), (26, 2621788), (52, 1310894), (104, 655447), (127, 536744), (169, 403352), (254, 268372), (338, 201676), (397, 171704), (508, 134186), (676, 100838), (794, 85852), (1016, 67093), (1352, 50419), (1588, 42926), (1651, 41288), (3176, 21463), (3302, 20644), (5161, 13208), (6604, 10322)]