1641475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 2285568

約数和(自身を除く): 644093

約数列:

[1, 5, 11, 25, 47, 55, 127, 235, 275, 517, 635, 1175, 1397, 2585, 3175, 5969, 6985, 12925, 29845, 34925, 65659, 149225, 328295, 1641475]

約数ペア:

[(1, 1641475), (5, 328295), (11, 149225), (25, 65659), (47, 34925), (55, 29845), (127, 12925), (235, 6985), (275, 5969), (517, 3175), (635, 2585), (1175, 1397)]