28387310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9431}}^1$

素因数の和:9488

約数の個数: 32

約数和(自身を含む): 59761152

約数和(自身を除く): 31373842

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 9431, 18862, 47155, 66017, 94310, 132034, 330085, 405533, 660170, 811066, 2027665, 2838731, 4055330, 5677462, 14193655, 28387310]

約数ペア:

[(1, 28387310), (2, 14193655), (5, 5677462), (7, 4055330), (10, 2838731), (14, 2027665), (35, 811066), (43, 660170), (70, 405533), (86, 330085), (215, 132034), (301, 94310), (430, 66017), (602, 47155), (1505, 18862), (3010, 9431)]