64820077

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 79223616

約数和(自身を除く): 14403539

約数列:

[1, 7, 19, 113, 133, 227, 361, 791, 1589, 2147, 2527, 4313, 15029, 25651, 30191, 40793, 81947, 179557, 285551, 487369, 573629, 3411583, 9260011, 64820077]

約数ペア:

[(1, 64820077), (7, 9260011), (19, 3411583), (113, 573629), (133, 487369), (227, 285551), (361, 179557), (791, 81947), (1589, 40793), (2147, 30191), (2527, 25651), (4313, 15029)]