81285512

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2693}}^1$

素因数の和:2731

約数の個数: 64

約数和(自身を含む): 193968000

約数和(自身を除く): 112682488

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 686, 1078, 1372, 2156, 2693, 2744, 3773, 4312, 5386, 7546, 10772, 15092, 18851, 21544, 29623, 30184, 37702, 59246, 75404, 118492, 131957, 150808, 207361, 236984, 263914, 414722, 527828, 829444, 923699, 1055656, 1451527, 1658888, 1847398, 2903054, 3694796, 5806108, 7389592, 10160689, 11612216, 20321378, 40642756, 81285512]

約数ペア:

[(1, 81285512), (2, 40642756), (4, 20321378), (7, 11612216), (8, 10160689), (11, 7389592), (14, 5806108), (22, 3694796), (28, 2903054), (44, 1847398), (49, 1658888), (56, 1451527), (77, 1055656), (88, 923699), (98, 829444), (154, 527828), (196, 414722), (308, 263914), (343, 236984), (392, 207361), (539, 150808), (616, 131957), (686, 118492), (1078, 75404), (1372, 59246), (2156, 37702), (2693, 30184), (2744, 29623), (3773, 21544), (4312, 18851), (5386, 15092), (7546, 10772)]