438280388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1861}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 945955584

約数和(自身を除く): 507675196

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 647, 1294, 1861, 2588, 3722, 4529, 7444, 8411, 9058, 13027, 16822, 18116, 24193, 26054, 33644, 48386, 52108, 58877, 96772, 117754, 169351, 235508, 338702, 677404, 1204067, 2408134, 4816268, 8428469, 15652871, 16856938, 31305742, 33713876, 62611484, 109570097, 219140194, 438280388]

約数ペア:

[(1, 438280388), (2, 219140194), (4, 109570097), (7, 62611484), (13, 33713876), (14, 31305742), (26, 16856938), (28, 15652871), (52, 8428469), (91, 4816268), (182, 2408134), (364, 1204067), (647, 677404), (1294, 338702), (1861, 235508), (2588, 169351), (3722, 117754), (4529, 96772), (7444, 58877), (8411, 52108), (9058, 48386), (13027, 33644), (16822, 26054), (18116, 24193)]