81943168

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 170968320

約数和(自身を除く): 89025152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 107, 124, 128, 193, 214, 248, 386, 428, 496, 772, 856, 992, 1544, 1712, 1984, 3088, 3317, 3424, 3968, 5983, 6176, 6634, 6848, 11966, 12352, 13268, 13696, 20651, 23932, 24704, 26536, 41302, 47864, 53072, 82604, 95728, 106144, 165208, 191456, 212288, 330416, 382912, 424576, 640181, 660832, 765824, 1280362, 1321664, 2560724, 2643328, 5121448, 10242896, 20485792, 40971584, 81943168]

約数ペア:

[(1, 81943168), (2, 40971584), (4, 20485792), (8, 10242896), (16, 5121448), (31, 2643328), (32, 2560724), (62, 1321664), (64, 1280362), (107, 765824), (124, 660832), (128, 640181), (193, 424576), (214, 382912), (248, 330416), (386, 212288), (428, 191456), (496, 165208), (772, 106144), (856, 95728), (992, 82604), (1544, 53072), (1712, 47864), (1984, 41302), (3088, 26536), (3317, 24704), (3424, 23932), (3968, 20651), (5983, 13696), (6176, 13268), (6634, 12352), (6848, 11966)]