2912881355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 3723148800

約数和(自身を除く): 810267445

約数列:

[1, 5, 19, 95, 151, 251, 755, 809, 1255, 2869, 4045, 4769, 14345, 15371, 23845, 37901, 76855, 122159, 189505, 203059, 610795, 720119, 1015295, 2321021, 3600595, 3858121, 11605105, 19290605, 30661909, 153309545, 582576271, 2912881355]

約数ペア:

[(1, 2912881355), (5, 582576271), (19, 153309545), (95, 30661909), (151, 19290605), (251, 11605105), (755, 3858121), (809, 3600595), (1255, 2321021), (2869, 1015295), (4045, 720119), (4769, 610795), (14345, 203059), (15371, 189505), (23845, 122159), (37901, 76855)]