81616128

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{9661}}^1$

素因数の和:9691

約数の個数: 72

約数和(自身を含む): 236989536

約数和(自身を除く): 155373408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 528, 704, 768, 1056, 1408, 2112, 2816, 4224, 8448, 9661, 19322, 28983, 38644, 57966, 77288, 106271, 115932, 154576, 212542, 231864, 309152, 318813, 425084, 463728, 618304, 637626, 850168, 927456, 1236608, 1275252, 1700336, 1854912, 2473216, 2550504, 3400672, 3709824, 5101008, 6801344, 7419648, 10202016, 13602688, 20404032, 27205376, 40808064, 81616128]

約数ペア:

[(1, 81616128), (2, 40808064), (3, 27205376), (4, 20404032), (6, 13602688), (8, 10202016), (11, 7419648), (12, 6801344), (16, 5101008), (22, 3709824), (24, 3400672), (32, 2550504), (33, 2473216), (44, 1854912), (48, 1700336), (64, 1275252), (66, 1236608), (88, 927456), (96, 850168), (128, 637626), (132, 618304), (176, 463728), (192, 425084), (256, 318813), (264, 309152), (352, 231864), (384, 212542), (528, 154576), (704, 115932), (768, 106271), (1056, 77288), (1408, 57966), (2112, 38644), (2816, 28983), (4224, 19322), (8448, 9661)]