81875248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 199112256

約数和(自身を除く): 117237008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 424, 689, 728, 742, 848, 1061, 1378, 1456, 1484, 2122, 2756, 2968, 4244, 4823, 5512, 5936, 7427, 8488, 9646, 11024, 13793, 14854, 16976, 19292, 27586, 29708, 38584, 55172, 56233, 59416, 77168, 96551, 110344, 112466, 118832, 193102, 220688, 224932, 386204, 393631, 449864, 731029, 772408, 787262, 899728, 1462058, 1544816, 1574524, 2924116, 3149048, 5117203, 5848232, 6298096, 10234406, 11696464, 20468812, 40937624, 81875248]

約数ペア:

[(1, 81875248), (2, 40937624), (4, 20468812), (7, 11696464), (8, 10234406), (13, 6298096), (14, 5848232), (16, 5117203), (26, 3149048), (28, 2924116), (52, 1574524), (53, 1544816), (56, 1462058), (91, 899728), (104, 787262), (106, 772408), (112, 731029), (182, 449864), (208, 393631), (212, 386204), (364, 224932), (371, 220688), (424, 193102), (689, 118832), (728, 112466), (742, 110344), (848, 96551), (1061, 77168), (1378, 59416), (1456, 56233), (1484, 55172), (2122, 38584), (2756, 29708), (2968, 27586), (4244, 19292), (4823, 16976), (5512, 14854), (5936, 13793), (7427, 11024), (8488, 9646)]