81228544

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 169979040

約数和(自身を除く): 88750496

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 71, 82, 109, 128, 142, 164, 218, 256, 284, 328, 436, 568, 656, 872, 1136, 1312, 1744, 2272, 2624, 2911, 3488, 4469, 4544, 5248, 5822, 6976, 7739, 8938, 9088, 10496, 11644, 13952, 15478, 17876, 18176, 23288, 27904, 30956, 35752, 46576, 61912, 71504, 93152, 123824, 143008, 186304, 247648, 286016, 317299, 372608, 495296, 572032, 634598, 745216, 990592, 1144064, 1269196, 1981184, 2538392, 5076784, 10153568, 20307136, 40614272, 81228544]

約数ペア:

[(1, 81228544), (2, 40614272), (4, 20307136), (8, 10153568), (16, 5076784), (32, 2538392), (41, 1981184), (64, 1269196), (71, 1144064), (82, 990592), (109, 745216), (128, 634598), (142, 572032), (164, 495296), (218, 372608), (256, 317299), (284, 286016), (328, 247648), (436, 186304), (568, 143008), (656, 123824), (872, 93152), (1136, 71504), (1312, 61912), (1744, 46576), (2272, 35752), (2624, 30956), (2911, 27904), (3488, 23288), (4469, 18176), (4544, 17876), (5248, 15478), (5822, 13952), (6976, 11644), (7739, 10496), (8938, 9088)]