77277665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21143}}^1$

素因数の和:21208

約数の個数: 16

約数和(自身を含む): 100476288

約数和(自身を除く): 23198623

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 21143, 105715, 359431, 909149, 1797155, 4545745, 15455533, 77277665]

約数ペア:

[(1, 77277665), (5, 15455533), (17, 4545745), (43, 1797155), (85, 909149), (215, 359431), (731, 105715), (3655, 21143)]