664201321

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{41201}}^1$

素因数の和:41269

約数の個数: 16

約数和(自身を含む): 791078400

約数和(自身を除く): 126877079

約数列:

[1, 7, 47, 49, 329, 343, 2303, 16121, 41201, 288407, 1936447, 2018849, 13555129, 14131943, 94885903, 664201321]

約数ペア:

[(1, 664201321), (7, 94885903), (47, 14131943), (49, 13555129), (329, 2018849), (343, 1936447), (2303, 288407), (16121, 41201)]