22761905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 7650895

約数列:

[1, 5, 19, 31, 59, 95, 131, 155, 295, 589, 655, 1121, 1829, 2489, 2945, 4061, 5605, 7729, 9145, 12445, 20305, 34751, 38645, 77159, 146851, 173755, 239599, 385795, 734255, 1197995, 4552381, 22761905]

約数ペア:

[(1, 22761905), (5, 4552381), (19, 1197995), (31, 734255), (59, 385795), (95, 239599), (131, 173755), (155, 146851), (295, 77159), (589, 38645), (655, 34751), (1121, 20305), (1829, 12445), (2489, 9145), (2945, 7729), (4061, 5605)]