90729289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1811}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 110111616

約数和(自身を除く): 19382327

約数列:

[1, 7, 17, 119, 421, 1811, 2947, 7157, 12677, 30787, 50099, 215509, 762431, 5337017, 12961327, 90729289]

約数ペア:

[(1, 90729289), (7, 12961327), (17, 5337017), (119, 762431), (421, 215509), (1811, 50099), (2947, 30787), (7157, 12677)]