56428255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 75076848

約数和(自身を除く): 18648593

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 1553, 2795, 7267, 7765, 20189, 36335, 66779, 100945, 262457, 333895, 868127, 1312285, 4340635, 11285651, 56428255]

約数ペア:

[(1, 56428255), (5, 11285651), (13, 4340635), (43, 1312285), (65, 868127), (169, 333895), (215, 262457), (559, 100945), (845, 66779), (1553, 36335), (2795, 20189), (7267, 7765)]