90538021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{3803}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 109555200

約数和(自身を除く): 19017179

約数列:

[1, 7, 19, 133, 179, 1253, 3401, 3803, 23807, 26621, 72257, 505799, 680737, 4765159, 12934003, 90538021]

約数ペア:

[(1, 90538021), (7, 12934003), (19, 4765159), (133, 680737), (179, 505799), (1253, 72257), (3401, 26621), (3803, 23807)]