28297675

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1601}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 40524192

約数和(自身を除く): 12226517

約数列:

[1, 5, 7, 25, 35, 101, 175, 505, 707, 1601, 2525, 3535, 8005, 11207, 17675, 40025, 56035, 161701, 280175, 808505, 1131907, 4042525, 5659535, 28297675]

約数ペア:

[(1, 28297675), (5, 5659535), (7, 4042525), (25, 1131907), (35, 808505), (101, 280175), (175, 161701), (505, 56035), (707, 40025), (1601, 17675), (2525, 11207), (3535, 8005)]