890516354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157837}}^1$

素因数の和:157890

約数の個数: 32

約数和(自身を含む): 1697074176

約数和(自身を除く): 806557822

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 157837, 315674, 1104859, 2051881, 2209718, 4103762, 4892947, 9785894, 14363167, 28726334, 34250629, 63608311, 68501258, 127216622, 445258177, 890516354]

約数ペア:

[(1, 890516354), (2, 445258177), (7, 127216622), (13, 68501258), (14, 63608311), (26, 34250629), (31, 28726334), (62, 14363167), (91, 9785894), (182, 4892947), (217, 4103762), (403, 2209718), (434, 2051881), (806, 1104859), (2821, 315674), (5642, 157837)]