28109818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 48719232

約数和(自身を除く): 20609414

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 506, 761, 803, 1522, 1606, 1679, 3358, 8371, 16742, 17503, 18469, 35006, 36938, 55553, 111106, 192533, 385066, 611083, 1222166, 1277719, 2555438, 14054909, 28109818]

約数ペア:

[(1, 28109818), (2, 14054909), (11, 2555438), (22, 1277719), (23, 1222166), (46, 611083), (73, 385066), (146, 192533), (253, 111106), (506, 55553), (761, 36938), (803, 35006), (1522, 18469), (1606, 17503), (1679, 16742), (3358, 8371)]