28757710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 55248480

約数和(自身を除く): 26490770

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1217, 1390, 2363, 2434, 4726, 6085, 11815, 12170, 20689, 23630, 41378, 103445, 169163, 206890, 338326, 845815, 1691630, 2875771, 5751542, 14378855, 28757710]

約数ペア:

[(1, 28757710), (2, 14378855), (5, 5751542), (10, 2875771), (17, 1691630), (34, 845815), (85, 338326), (139, 206890), (170, 169163), (278, 103445), (695, 41378), (1217, 23630), (1390, 20689), (2363, 12170), (2434, 11815), (4726, 6085)]