68220308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1667}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 128809632

約数和(自身を除く): 60589324

約数列:

[1, 2, 4, 13, 26, 52, 787, 1574, 1667, 3148, 3334, 6668, 10231, 20462, 21671, 40924, 43342, 86684, 1311929, 2623858, 5247716, 17055077, 34110154, 68220308]

約数ペア:

[(1, 68220308), (2, 34110154), (4, 17055077), (13, 5247716), (26, 2623858), (52, 1311929), (787, 86684), (1574, 43342), (1667, 40924), (3148, 21671), (3334, 20462), (6668, 10231)]