28816090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20731}}^1$

素因数の和:20877

約数の個数: 16

約数和(自身を含む): 52244640

約数和(自身を除く): 23428550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20731, 41462, 103655, 207310, 2881609, 5763218, 14408045, 28816090]

約数ペア:

[(1, 28816090), (2, 14408045), (5, 5763218), (10, 2881609), (139, 207310), (278, 103655), (695, 41462), (1390, 20731)]