1219217305

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{383}}^1\times {\mathrm{2203}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 1558950912

約数和(自身を除く): 339733607

約数列:

[1, 5, 17, 85, 289, 383, 1445, 1915, 2203, 6511, 11015, 32555, 37451, 110687, 187255, 553435, 636667, 843749, 3183335, 4218745, 14343733, 71718665, 243843461, 1219217305]

約数ペア:

[(1, 1219217305), (5, 243843461), (17, 71718665), (85, 14343733), (289, 4218745), (383, 3183335), (1445, 843749), (1915, 636667), (2203, 553435), (6511, 187255), (11015, 110687), (32555, 37451)]