890004724

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{281291}}^1$

素因数の和:281415

約数の個数: 24

約数和(自身を含む): 1795768128

約数和(自身を除く): 905763404

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 281291, 562582, 1125164, 1969037, 3938074, 7876148, 31785883, 63571766, 127143532, 222501181, 445002362, 890004724]

約数ペア:

[(1, 890004724), (2, 445002362), (4, 222501181), (7, 127143532), (14, 63571766), (28, 31785883), (113, 7876148), (226, 3938074), (452, 1969037), (791, 1125164), (1582, 562582), (3164, 281291)]