1223421983

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 1532160000

約数和(自身を除く): 308738017

約数列:

[1, 7, 17, 37, 119, 139, 259, 629, 973, 1999, 2363, 4403, 5143, 13993, 16541, 33983, 36001, 73963, 87431, 237881, 277861, 517741, 612017, 1257371, 1945027, 4723637, 8801597, 10280857, 33065459, 71965999, 174774569, 1223421983]

約数ペア:

[(1, 1223421983), (7, 174774569), (17, 71965999), (37, 33065459), (119, 10280857), (139, 8801597), (259, 4723637), (629, 1945027), (973, 1257371), (1999, 612017), (2363, 517741), (4403, 277861), (5143, 237881), (13993, 87431), (16541, 73963), (33983, 36001)]