28870338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{687389}}^1$

素因数の和:687401

約数の個数: 16

約数和(自身を含む): 65989440

約数和(自身を除く): 37119102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 687389, 1374778, 2062167, 4124334, 4811723, 9623446, 14435169, 28870338]

約数ペア:

[(1, 28870338), (2, 14435169), (3, 9623446), (6, 4811723), (7, 4124334), (14, 2062167), (21, 1374778), (42, 687389)]