6971965

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 11491200

約数和(自身を除く): 4519235

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 199, 245, 385, 455, 539, 637, 715, 995, 1001, 1393, 2189, 2587, 2695, 3185, 5005, 6965, 7007, 9751, 10945, 12935, 15323, 18109, 28457, 35035, 48755, 76615, 90545, 107261, 126763, 142285, 199199, 536305, 633815, 995995, 1394393, 6971965]

約数ペア:

[(1, 6971965), (5, 1394393), (7, 995995), (11, 633815), (13, 536305), (35, 199199), (49, 142285), (55, 126763), (65, 107261), (77, 90545), (91, 76615), (143, 48755), (199, 35035), (245, 28457), (385, 18109), (455, 15323), (539, 12935), (637, 10945), (715, 9751), (995, 7007), (1001, 6965), (1393, 5005), (2189, 3185), (2587, 2695)]