1319455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 1810512

約数和(自身を除く): 491057

約数列:

[1, 5, 17, 19, 43, 85, 95, 215, 323, 361, 731, 817, 1615, 1805, 3655, 4085, 6137, 13889, 15523, 30685, 69445, 77615, 263891, 1319455]

約数ペア:

[(1, 1319455), (5, 263891), (17, 77615), (19, 69445), (43, 30685), (85, 15523), (95, 13889), (215, 6137), (323, 4085), (361, 3655), (731, 1805), (817, 1615)]