28155638

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 51409728

約数和(自身を除く): 23254090

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 281, 421, 562, 842, 1967, 2947, 3934, 4777, 5894, 7157, 9554, 14314, 33439, 50099, 66878, 100198, 118301, 236602, 828107, 1656214, 2011117, 4022234, 14077819, 28155638]

約数ペア:

[(1, 28155638), (2, 14077819), (7, 4022234), (14, 2011117), (17, 1656214), (34, 828107), (119, 236602), (238, 118301), (281, 100198), (421, 66878), (562, 50099), (842, 33439), (1967, 14314), (2947, 9554), (3934, 7157), (4777, 5894)]