12778645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 18040320

約数和(自身を除く): 5261675

約数列:

[1, 5, 11, 17, 55, 79, 85, 173, 187, 395, 865, 869, 935, 1343, 1903, 2941, 4345, 6715, 9515, 13667, 14705, 14773, 32351, 68335, 73865, 150337, 161755, 232339, 751685, 1161695, 2555729, 12778645]

約数ペア:

[(1, 12778645), (5, 2555729), (11, 1161695), (17, 751685), (55, 232339), (79, 161755), (85, 150337), (173, 73865), (187, 68335), (395, 32351), (865, 14773), (869, 14705), (935, 13667), (1343, 9515), (1903, 6715), (2941, 4345)]