81557736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1511}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 220993920

約数和(自身を除く): 139436184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 173, 312, 346, 519, 692, 1038, 1384, 1511, 2076, 2249, 3022, 4152, 4498, 4533, 6044, 6747, 8996, 9066, 12088, 13494, 17992, 18132, 19643, 26988, 36264, 39286, 53976, 58929, 78572, 117858, 157144, 235716, 261403, 471432, 522806, 784209, 1045612, 1568418, 2091224, 3136836, 3398239, 6273672, 6796478, 10194717, 13592956, 20389434, 27185912, 40778868, 81557736]

約数ペア:

[(1, 81557736), (2, 40778868), (3, 27185912), (4, 20389434), (6, 13592956), (8, 10194717), (12, 6796478), (13, 6273672), (24, 3398239), (26, 3136836), (39, 2091224), (52, 1568418), (78, 1045612), (104, 784209), (156, 522806), (173, 471432), (312, 261403), (346, 235716), (519, 157144), (692, 117858), (1038, 78572), (1384, 58929), (1511, 53976), (2076, 39286), (2249, 36264), (3022, 26988), (4152, 19643), (4498, 18132), (4533, 17992), (6044, 13494), (6747, 12088), (8996, 9066)]