64197185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 91309680

約数和(自身を除く): 27112495

約数列:

[1, 5, 13, 17, 41, 65, 85, 109, 169, 205, 221, 533, 545, 697, 845, 1105, 1417, 1853, 2665, 2873, 3485, 4469, 6929, 7085, 9061, 9265, 14365, 18421, 22345, 24089, 34645, 45305, 58097, 75973, 92105, 117793, 120445, 290485, 313157, 379865, 588965, 755261, 987649, 1565785, 3776305, 4938245, 12839437, 64197185]

約数ペア:

[(1, 64197185), (5, 12839437), (13, 4938245), (17, 3776305), (41, 1565785), (65, 987649), (85, 755261), (109, 588965), (169, 379865), (205, 313157), (221, 290485), (533, 120445), (545, 117793), (697, 92105), (845, 75973), (1105, 58097), (1417, 45305), (1853, 34645), (2665, 24089), (2873, 22345), (3485, 18421), (4469, 14365), (6929, 9265), (7085, 9061)]