28431382

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28603}}^1$

素因数の和:28683

約数の個数: 16

約数和(自身を含む): 49427712

約数和(自身を除く): 20996330

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28603, 57206, 200221, 400442, 2030813, 4061626, 14215691, 28431382]

約数ペア:

[(1, 28431382), (2, 14215691), (7, 4061626), (14, 2030813), (71, 400442), (142, 200221), (497, 57206), (994, 28603)]