31951136

素因数分解:

$2^5\times 7^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 44253664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 71, 82, 98, 112, 142, 164, 196, 224, 284, 287, 328, 343, 392, 497, 568, 574, 656, 686, 784, 994, 1136, 1148, 1312, 1372, 1568, 1988, 2009, 2272, 2296, 2744, 2911, 3479, 3976, 4018, 4592, 5488, 5822, 6958, 7952, 8036, 9184, 10976, 11644, 13916, 14063, 15904, 16072, 20377, 23288, 24353, 27832, 28126, 32144, 40754, 46576, 48706, 55664, 56252, 64288, 81508, 93152, 97412, 111328, 112504, 142639, 163016, 194824, 225008, 285278, 326032, 389648, 450016, 570556, 652064, 779296, 998473, 1141112, 1996946, 2282224, 3993892, 4564448, 7987784, 15975568, 31951136]

約数ペア:

[(1, 31951136), (2, 15975568), (4, 7987784), (7, 4564448), (8, 3993892), (14, 2282224), (16, 1996946), (28, 1141112), (32, 998473), (41, 779296), (49, 652064), (56, 570556), (71, 450016), (82, 389648), (98, 326032), (112, 285278), (142, 225008), (164, 194824), (196, 163016), (224, 142639), (284, 112504), (287, 111328), (328, 97412), (343, 93152), (392, 81508), (497, 64288), (568, 56252), (574, 55664), (656, 48706), (686, 46576), (784, 40754), (994, 32144), (1136, 28126), (1148, 27832), (1312, 24353), (1372, 23288), (1568, 20377), (1988, 16072), (2009, 15904), (2272, 14063), (2296, 13916), (2744, 11644), (2911, 10976), (3479, 9184), (3976, 8036), (4018, 7952), (4592, 6958), (5488, 5822)]