247035215

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 357540480

約数和(自身を除く): 110505265

約数列:

[1, 5, 7, 35, 43, 49, 131, 179, 215, 245, 301, 655, 895, 917, 1253, 1505, 2107, 4585, 5633, 6265, 6419, 7697, 8771, 10535, 23449, 28165, 32095, 38485, 39431, 43855, 53879, 117245, 164143, 197155, 269395, 276017, 377153, 820715, 1008307, 1149001, 1380085, 1885765, 5041535, 5745005, 7058149, 35290745, 49407043, 247035215]

約数ペア:

[(1, 247035215), (5, 49407043), (7, 35290745), (35, 7058149), (43, 5745005), (49, 5041535), (131, 1885765), (179, 1380085), (215, 1149001), (245, 1008307), (301, 820715), (655, 377153), (895, 276017), (917, 269395), (1253, 197155), (1505, 164143), (2107, 117245), (4585, 53879), (5633, 43855), (6265, 39431), (6419, 38485), (7697, 32095), (8771, 28165), (10535, 23449)]