81509246399

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1\times {\mathrm{2953}}^1$

素因数の和:3711

約数の個数: 32

約数和(自身を含む): 96736174080

約数和(自身を除く): 15226927681

約数列:

[1, 7, 31, 217, 311, 409, 2177, 2863, 2953, 9641, 12679, 20671, 67487, 88753, 91543, 127199, 640801, 890393, 918383, 1207777, 3943169, 6428681, 8454439, 27602183, 28469873, 37441087, 199289111, 262087609, 375618647, 2629330529, 11644178057, 81509246399]

約数ペア:

[(1, 81509246399), (7, 11644178057), (31, 2629330529), (217, 375618647), (311, 262087609), (409, 199289111), (2177, 37441087), (2863, 28469873), (2953, 27602183), (9641, 8454439), (12679, 6428681), (20671, 3943169), (67487, 1207777), (88753, 918383), (91543, 890393), (127199, 640801)]