51780248

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{38299}}^1$

素因数の和:38331

約数の個数: 24

約数和(自身を含む): 105133500

約数和(自身を除く): 53353252

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 38299, 76598, 153196, 306392, 497887, 995774, 1991548, 3983096, 6472531, 12945062, 25890124, 51780248]

約数ペア:

[(1, 51780248), (2, 25890124), (4, 12945062), (8, 6472531), (13, 3983096), (26, 1991548), (52, 995774), (104, 497887), (169, 306392), (338, 153196), (676, 76598), (1352, 38299)]