28808290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{929}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 59460480

約数和(自身を除く): 30652190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 443, 886, 929, 1858, 2215, 3101, 4430, 4645, 6202, 6503, 9290, 13006, 15505, 31010, 32515, 65030, 411547, 823094, 2057735, 2880829, 4115470, 5761658, 14404145, 28808290]

約数ペア:

[(1, 28808290), (2, 14404145), (5, 5761658), (7, 4115470), (10, 2880829), (14, 2057735), (35, 823094), (70, 411547), (443, 65030), (886, 32515), (929, 31010), (1858, 15505), (2215, 13006), (3101, 9290), (4430, 6503), (4645, 6202)]