208515923

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8231}}^1$

素因数の和:8303

約数の個数: 24

約数和(自身を含む): 270273024

約数和(自身を除く): 61757101

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 3619, 8231, 25333, 57617, 90541, 386857, 403319, 633787, 2707999, 4255427, 4436509, 18955993, 29787989, 208515923]

約数ペア:

[(1, 208515923), (7, 29787989), (11, 18955993), (47, 4436509), (49, 4255427), (77, 2707999), (329, 633787), (517, 403319), (539, 386857), (2303, 90541), (3619, 57617), (8231, 25333)]