81452896

素因数分解:

$2^5\times 7^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 192628800

約数和(自身を除く): 111175904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 181, 196, 224, 287, 328, 343, 362, 392, 574, 656, 686, 724, 784, 1148, 1267, 1312, 1372, 1448, 1568, 2009, 2296, 2534, 2744, 2896, 4018, 4592, 5068, 5488, 5792, 7421, 8036, 8869, 9184, 10136, 10976, 14063, 14842, 16072, 17738, 20272, 28126, 29684, 32144, 35476, 40544, 51947, 56252, 59368, 62083, 64288, 70952, 103894, 112504, 118736, 124166, 141904, 207788, 225008, 237472, 248332, 283808, 363629, 415576, 450016, 496664, 727258, 831152, 993328, 1454516, 1662304, 1986656, 2545403, 2909032, 5090806, 5818064, 10181612, 11636128, 20363224, 40726448, 81452896]

約数ペア:

[(1, 81452896), (2, 40726448), (4, 20363224), (7, 11636128), (8, 10181612), (14, 5818064), (16, 5090806), (28, 2909032), (32, 2545403), (41, 1986656), (49, 1662304), (56, 1454516), (82, 993328), (98, 831152), (112, 727258), (164, 496664), (181, 450016), (196, 415576), (224, 363629), (287, 283808), (328, 248332), (343, 237472), (362, 225008), (392, 207788), (574, 141904), (656, 124166), (686, 118736), (724, 112504), (784, 103894), (1148, 70952), (1267, 64288), (1312, 62083), (1372, 59368), (1448, 56252), (1568, 51947), (2009, 40544), (2296, 35476), (2534, 32144), (2744, 29684), (2896, 28126), (4018, 20272), (4592, 17738), (5068, 16072), (5488, 14842), (5792, 14063), (7421, 10976), (8036, 10136), (8869, 9184)]