8081645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 11612160

約数和(自身を除く): 3530515

約数列:

[1, 5, 11, 13, 55, 65, 89, 127, 143, 445, 635, 715, 979, 1157, 1397, 1651, 4895, 5785, 6985, 8255, 11303, 12727, 18161, 56515, 63635, 90805, 124333, 146939, 621665, 734695, 1616329, 8081645]

約数ペア:

[(1, 8081645), (5, 1616329), (11, 734695), (13, 621665), (55, 146939), (65, 124333), (89, 90805), (127, 63635), (143, 56515), (445, 18161), (635, 12727), (715, 11303), (979, 8255), (1157, 6985), (1397, 5785), (1651, 4895)]