77089985

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 115831296

約数和(自身を除く): 38741311

約数列:

[1, 5, 7, 17, 35, 49, 83, 85, 119, 223, 245, 415, 581, 595, 833, 1115, 1411, 1561, 2905, 3791, 4067, 4165, 7055, 7805, 9877, 10927, 18509, 18955, 20335, 26537, 49385, 54635, 69139, 92545, 129563, 132685, 185759, 314653, 345695, 647815, 906941, 928795, 1573265, 2202571, 4534705, 11012855, 15417997, 77089985]

約数ペア:

[(1, 77089985), (5, 15417997), (7, 11012855), (17, 4534705), (35, 2202571), (49, 1573265), (83, 928795), (85, 906941), (119, 647815), (223, 345695), (245, 314653), (415, 185759), (581, 132685), (595, 129563), (833, 92545), (1115, 69139), (1411, 54635), (1561, 49385), (2905, 26537), (3791, 20335), (4067, 18955), (4165, 18509), (7055, 10927), (7805, 9877)]