291736291

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 372331008

約数和(自身を除く): 80594717

約数列:

[1, 7, 11, 67, 77, 193, 293, 469, 737, 1351, 2051, 2123, 3223, 5159, 12931, 14861, 19631, 22561, 56549, 90517, 137417, 142241, 215941, 395843, 622039, 995687, 1511587, 3788783, 4354273, 26521481, 41676613, 291736291]

約数ペア:

[(1, 291736291), (7, 41676613), (11, 26521481), (67, 4354273), (77, 3788783), (193, 1511587), (293, 995687), (469, 622039), (737, 395843), (1351, 215941), (2051, 142241), (2123, 137417), (3223, 90517), (5159, 56549), (12931, 22561), (14861, 19631)]