127289215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{7481}}^1$

素因数の和:7610

約数の個数: 16

約数和(自身を含む): 158378976

約数和(自身を除く): 31089761

約数列:

[1, 5, 41, 83, 205, 415, 3403, 7481, 17015, 37405, 306721, 620923, 1533605, 3104615, 25457843, 127289215]

約数ペア:

[(1, 127289215), (5, 25457843), (41, 3104615), (83, 1533605), (205, 620923), (415, 306721), (3403, 37405), (7481, 17015)]