1656875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:272

約数の個数: 20

約数和(自身を含む): 2268024

約数和(自身を除く): 611149

約数列:

[1, 5, 11, 25, 55, 125, 241, 275, 625, 1205, 1375, 2651, 6025, 6875, 13255, 30125, 66275, 150625, 331375, 1656875]

約数ペア:

[(1, 1656875), (5, 331375), (11, 150625), (25, 66275), (55, 30125), (125, 13255), (241, 6875), (275, 6025), (625, 2651), (1205, 1375)]