81262286

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 148102416

約数和(自身を除く): 66840130

約数列:

[1, 2, 7, 14, 37, 49, 73, 74, 98, 146, 259, 307, 511, 518, 614, 1022, 1813, 2149, 2701, 3577, 3626, 4298, 5402, 7154, 11359, 15043, 18907, 22411, 22718, 30086, 37814, 44822, 79513, 132349, 156877, 159026, 264698, 313754, 556591, 829207, 1098139, 1113182, 1658414, 2196278, 5804449, 11608898, 40631143, 81262286]

約数ペア:

[(1, 81262286), (2, 40631143), (7, 11608898), (14, 5804449), (37, 2196278), (49, 1658414), (73, 1113182), (74, 1098139), (98, 829207), (146, 556591), (259, 313754), (307, 264698), (511, 159026), (518, 156877), (614, 132349), (1022, 79513), (1813, 44822), (2149, 37814), (2701, 30086), (3577, 22718), (3626, 22411), (4298, 18907), (5402, 15043), (7154, 11359)]