257389888

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5923}}^1$

素因数の和:6039

約数の個数: 56

約数和(自身を含む): 589840832

約数和(自身を除く): 332450944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 679, 776, 1358, 1552, 2716, 3104, 5432, 5923, 6208, 10864, 11846, 21728, 23692, 41461, 43456, 47384, 82922, 94768, 165844, 189536, 331688, 379072, 574531, 663376, 1149062, 1326752, 2298124, 2653504, 4021717, 4596248, 8043434, 9192496, 16086868, 18384992, 32173736, 36769984, 64347472, 128694944, 257389888]

約数ペア:

[(1, 257389888), (2, 128694944), (4, 64347472), (7, 36769984), (8, 32173736), (14, 18384992), (16, 16086868), (28, 9192496), (32, 8043434), (56, 4596248), (64, 4021717), (97, 2653504), (112, 2298124), (194, 1326752), (224, 1149062), (388, 663376), (448, 574531), (679, 379072), (776, 331688), (1358, 189536), (1552, 165844), (2716, 94768), (3104, 82922), (5432, 47384), (5923, 43456), (6208, 41461), (10864, 23692), (11846, 21728)]