780147109

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{15607}}^1$

素因数の和:15844

約数の個数: 16

約数和(自身を含む): 920497408

約数和(自身を除く): 140350299

約数列:

[1, 7, 37, 193, 259, 1351, 7141, 15607, 49987, 109249, 577459, 3012151, 4042213, 21085057, 111449587, 780147109]

約数ペア:

[(1, 780147109), (7, 111449587), (37, 21085057), (193, 4042213), (259, 3012151), (1351, 577459), (7141, 109249), (15607, 49987)]