12621895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 18063360

約数和(自身を除く): 5441465

約数列:

[1, 5, 11, 13, 55, 65, 127, 139, 143, 635, 695, 715, 1397, 1529, 1651, 1807, 6985, 7645, 8255, 9035, 17653, 18161, 19877, 88265, 90805, 99385, 194183, 229489, 970915, 1147445, 2524379, 12621895]

約数ペア:

[(1, 12621895), (5, 2524379), (11, 1147445), (13, 970915), (55, 229489), (65, 194183), (127, 99385), (139, 90805), (143, 88265), (635, 19877), (695, 18161), (715, 17653), (1397, 9035), (1529, 8255), (1651, 7645), (1807, 6985)]