12821315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 18035136

約数和(自身を除く): 5213821

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 283, 533, 697, 1105, 1415, 2665, 3485, 3679, 4811, 9061, 11603, 18395, 24055, 45305, 58015, 62543, 150839, 197251, 312715, 754195, 986255, 2564263, 12821315]

約数ペア:

[(1, 12821315), (5, 2564263), (13, 986255), (17, 754195), (41, 312715), (65, 197251), (85, 150839), (205, 62543), (221, 58015), (283, 45305), (533, 24055), (697, 18395), (1105, 11603), (1415, 9061), (2665, 4811), (3485, 3679)]