39987136

素因数分解:

$2^6\times 7^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 84

約数和(自身を含む): 94859856

約数和(自身を除く): 54872720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 98, 112, 164, 196, 224, 287, 311, 328, 392, 448, 574, 622, 656, 784, 1148, 1244, 1312, 1568, 2009, 2177, 2296, 2488, 2624, 3136, 4018, 4354, 4592, 4976, 8036, 8708, 9184, 9952, 12751, 15239, 16072, 17416, 18368, 19904, 25502, 30478, 32144, 34832, 51004, 60956, 64288, 69664, 89257, 102008, 121912, 128576, 139328, 178514, 204016, 243824, 357028, 408032, 487648, 624799, 714056, 816064, 975296, 1249598, 1428112, 2499196, 2856224, 4998392, 5712448, 9996784, 19993568, 39987136]

約数ペア:

[(1, 39987136), (2, 19993568), (4, 9996784), (7, 5712448), (8, 4998392), (14, 2856224), (16, 2499196), (28, 1428112), (32, 1249598), (41, 975296), (49, 816064), (56, 714056), (64, 624799), (82, 487648), (98, 408032), (112, 357028), (164, 243824), (196, 204016), (224, 178514), (287, 139328), (311, 128576), (328, 121912), (392, 102008), (448, 89257), (574, 69664), (622, 64288), (656, 60956), (784, 51004), (1148, 34832), (1244, 32144), (1312, 30478), (1568, 25502), (2009, 19904), (2177, 18368), (2296, 17416), (2488, 16072), (2624, 15239), (3136, 12751), (4018, 9952), (4354, 9184), (4592, 8708), (4976, 8036)]