28146781

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 32926824

約数和(自身を除く): 4780043

約数列:

[1, 13, 17, 97, 101, 169, 221, 1261, 1313, 1649, 1717, 2873, 9797, 16393, 17069, 21437, 22321, 127361, 166549, 278681, 290173, 1655693, 2165137, 28146781]

約数ペア:

[(1, 28146781), (13, 2165137), (17, 1655693), (97, 290173), (101, 278681), (169, 166549), (221, 127361), (1261, 22321), (1313, 21437), (1649, 17069), (1717, 16393), (2873, 9797)]