78260815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 96344640

約数和(自身を除く): 18083825

約数列:

[1, 5, 71, 89, 355, 445, 2477, 6319, 12385, 31595, 175867, 220453, 879335, 1102265, 15652163, 78260815]

約数ペア:

[(1, 78260815), (5, 15652163), (71, 1102265), (89, 879335), (355, 220453), (445, 175867), (2477, 31595), (6319, 12385)]