28663414

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:784

約数の個数: 24

約数和(自身を含む): 46972440

約数和(自身を除く): 18309026

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 619, 1238, 1781, 3562, 8047, 16094, 23153, 46306, 84803, 104611, 169606, 209222, 1102439, 2204878, 14331707, 28663414]

約数ペア:

[(1, 28663414), (2, 14331707), (13, 2204878), (26, 1102439), (137, 209222), (169, 169606), (274, 104611), (338, 84803), (619, 46306), (1238, 23153), (1781, 16094), (3562, 8047)]