289901416

素因数分解:

$2^3\times 7^1\times {\mathrm{5176811}}^1$

素因数の和:5176824

約数の個数: 16

約数和(自身を含む): 621217440

約数和(自身を除く): 331316024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5176811, 10353622, 20707244, 36237677, 41414488, 72475354, 144950708, 289901416]

約数ペア:

[(1, 289901416), (2, 144950708), (4, 72475354), (7, 41414488), (8, 36237677), (14, 20707244), (28, 10353622), (56, 5176811)]