12728575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 16824320

約数和(自身を除く): 4095745

約数列:

[1, 5, 19, 25, 95, 127, 211, 475, 635, 1055, 2413, 3175, 4009, 5275, 12065, 20045, 26797, 60325, 100225, 133985, 509143, 669925, 2545715, 12728575]

約数ペア:

[(1, 12728575), (5, 2545715), (19, 669925), (25, 509143), (95, 133985), (127, 100225), (211, 60325), (475, 26797), (635, 20045), (1055, 12065), (2413, 5275), (3175, 4009)]