28185710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1531}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 58240512

約数和(自身を除く): 30054802

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1531, 1841, 2630, 3062, 3682, 7655, 9205, 10717, 15310, 18410, 21434, 53585, 107170, 402653, 805306, 2013265, 2818571, 4026530, 5637142, 14092855, 28185710]

約数ペア:

[(1, 28185710), (2, 14092855), (5, 5637142), (7, 4026530), (10, 2818571), (14, 2013265), (35, 805306), (70, 402653), (263, 107170), (526, 53585), (1315, 21434), (1531, 18410), (1841, 15310), (2630, 10717), (3062, 9205), (3682, 7655)]