81163968

素因数分解:

$2^6\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5351}}^1$

素因数の和:5445

約数の個数: 56

約数和(自身を含む): 217505280

約数和(自身を除く): 136341312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 158, 192, 237, 316, 474, 632, 948, 1264, 1896, 2528, 3792, 5056, 5351, 7584, 10702, 15168, 16053, 21404, 32106, 42808, 64212, 85616, 128424, 171232, 256848, 342464, 422729, 513696, 845458, 1027392, 1268187, 1690916, 2536374, 3381832, 5072748, 6763664, 10145496, 13527328, 20290992, 27054656, 40581984, 81163968]

約数ペア:

[(1, 81163968), (2, 40581984), (3, 27054656), (4, 20290992), (6, 13527328), (8, 10145496), (12, 6763664), (16, 5072748), (24, 3381832), (32, 2536374), (48, 1690916), (64, 1268187), (79, 1027392), (96, 845458), (158, 513696), (192, 422729), (237, 342464), (316, 256848), (474, 171232), (632, 128424), (948, 85616), (1264, 64212), (1896, 42808), (2528, 32106), (3792, 21404), (5056, 16053), (5351, 15168), (7584, 10702)]