28726778886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1\times {\mathrm{5981}}^1$

素因数の和:6581

約数の個数: 64

約数和(自身を含む): 62469308160

約数和(自身を除く): 33742529274

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 443, 834, 886, 1329, 1807, 2658, 3614, 5421, 5759, 5981, 10842, 11518, 11962, 17277, 17943, 34554, 35886, 61577, 77753, 123154, 155506, 184731, 233259, 369462, 466518, 800501, 831359, 1601002, 1662718, 2401503, 2494077, 2649583, 4803006, 4988154, 5299166, 7948749, 10807667, 15897498, 21615334, 32423001, 34444579, 64846002, 68889158, 103333737, 206667474, 368292037, 736584074, 1104876111, 2209752222, 4787796481, 9575592962, 14363389443, 28726778886]

約数ペア:

[(1, 28726778886), (2, 14363389443), (3, 9575592962), (6, 4787796481), (13, 2209752222), (26, 1104876111), (39, 736584074), (78, 368292037), (139, 206667474), (278, 103333737), (417, 68889158), (443, 64846002), (834, 34444579), (886, 32423001), (1329, 21615334), (1807, 15897498), (2658, 10807667), (3614, 7948749), (5421, 5299166), (5759, 4988154), (5981, 4803006), (10842, 2649583), (11518, 2494077), (11962, 2401503), (17277, 1662718), (17943, 1601002), (34554, 831359), (35886, 800501), (61577, 466518), (77753, 369462), (123154, 233259), (155506, 184731)]