858872

素因数分解:

$2^3\times 7^3\times {\mathrm{313}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 1884000

約数和(自身を除く): 1025128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 313, 343, 392, 626, 686, 1252, 1372, 2191, 2504, 2744, 4382, 8764, 15337, 17528, 30674, 61348, 107359, 122696, 214718, 429436, 858872]

約数ペア:

[(1, 858872), (2, 429436), (4, 214718), (7, 122696), (8, 107359), (14, 61348), (28, 30674), (49, 17528), (56, 15337), (98, 8764), (196, 4382), (313, 2744), (343, 2504), (392, 2191), (626, 1372), (686, 1252)]