612745

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 890568

約数和(自身を除く): 277823

約数列:

[1, 5, 7, 35, 41, 49, 61, 205, 245, 287, 305, 427, 1435, 2009, 2135, 2501, 2989, 10045, 12505, 14945, 17507, 87535, 122549, 612745]

約数ペア:

[(1, 612745), (5, 122549), (7, 87535), (35, 17507), (41, 14945), (49, 12505), (61, 10045), (205, 2989), (245, 2501), (287, 2135), (305, 2009), (427, 1435)]