990018001

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{4519}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 1224305280

約数和(自身を除く): 234287279

約数列:

[1, 7, 17, 49, 119, 263, 833, 1841, 4471, 4519, 12887, 31297, 31633, 76823, 219079, 221431, 537761, 1188497, 3764327, 8319479, 20204449, 58236353, 141431143, 990018001]

約数ペア:

[(1, 990018001), (7, 141431143), (17, 58236353), (49, 20204449), (119, 8319479), (263, 3764327), (833, 1188497), (1841, 537761), (4471, 221431), (4519, 219079), (12887, 76823), (31297, 31633)]