78897896

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 185518080

約数和(自身を除く): 106620184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 263, 308, 487, 526, 616, 974, 1052, 1841, 1948, 2104, 2893, 3409, 3682, 3896, 5357, 5786, 6818, 7364, 10714, 11572, 13636, 14728, 20251, 21428, 23144, 27272, 37499, 40502, 42856, 74998, 81004, 128081, 149996, 162008, 256162, 299992, 512324, 896567, 1024648, 1408891, 1793134, 2817782, 3586268, 5635564, 7172536, 9862237, 11271128, 19724474, 39448948, 78897896]

約数ペア:

[(1, 78897896), (2, 39448948), (4, 19724474), (7, 11271128), (8, 9862237), (11, 7172536), (14, 5635564), (22, 3586268), (28, 2817782), (44, 1793134), (56, 1408891), (77, 1024648), (88, 896567), (154, 512324), (263, 299992), (308, 256162), (487, 162008), (526, 149996), (616, 128081), (974, 81004), (1052, 74998), (1841, 42856), (1948, 40502), (2104, 37499), (2893, 27272), (3409, 23144), (3682, 21428), (3896, 20251), (5357, 14728), (5786, 13636), (6818, 11572), (7364, 10714)]