13249555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 18892800

約数和(自身を除く): 5643245

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 409, 589, 1045, 1705, 2045, 2945, 4499, 6479, 7771, 12679, 22495, 32395, 38855, 63395, 85481, 139469, 240901, 427405, 697345, 1204505, 2649911, 13249555]

約数ペア:

[(1, 13249555), (5, 2649911), (11, 1204505), (19, 697345), (31, 427405), (55, 240901), (95, 139469), (155, 85481), (209, 63395), (341, 38855), (409, 32395), (589, 22495), (1045, 12679), (1705, 7771), (2045, 6479), (2945, 4499)]