990797318

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{20627}}^1$

素因数の和:20756

約数の個数: 32

約数和(自身を含む): 1758495744

約数和(自身を除く): 767698426

約数列:

[1, 2, 7, 14, 47, 73, 94, 146, 329, 511, 658, 1022, 3431, 6862, 20627, 24017, 41254, 48034, 144389, 288778, 969469, 1505771, 1938938, 3011542, 6786283, 10540397, 13572566, 21080794, 70771237, 141542474, 495398659, 990797318]

約数ペア:

[(1, 990797318), (2, 495398659), (7, 141542474), (14, 70771237), (47, 21080794), (73, 13572566), (94, 10540397), (146, 6786283), (329, 3011542), (511, 1938938), (658, 1505771), (1022, 969469), (3431, 288778), (6862, 144389), (20627, 48034), (24017, 41254)]