28942790548

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{180617}}^1$

素因数の和:180784

約数の個数: 48

約数和(自身を含む): 59473895040

約数和(自身を除く): 30531104492

約数列:

[1, 2, 4, 7, 14, 28, 59, 97, 118, 194, 236, 388, 413, 679, 826, 1358, 1652, 2716, 5723, 11446, 22892, 40061, 80122, 160244, 180617, 361234, 722468, 1264319, 2528638, 5057276, 10656403, 17519849, 21312806, 35039698, 42625612, 70079396, 74594821, 122638943, 149189642, 245277886, 298379284, 490555772, 1033671091, 2067342182, 4134684364, 7235697637, 14471395274, 28942790548]

約数ペア:

[(1, 28942790548), (2, 14471395274), (4, 7235697637), (7, 4134684364), (14, 2067342182), (28, 1033671091), (59, 490555772), (97, 298379284), (118, 245277886), (194, 149189642), (236, 122638943), (388, 74594821), (413, 70079396), (679, 42625612), (826, 35039698), (1358, 21312806), (1652, 17519849), (2716, 10656403), (5723, 5057276), (11446, 2528638), (22892, 1264319), (40061, 722468), (80122, 361234), (160244, 180617)]