81701642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 140140800

約数和(自身を除く): 58439158

約数列:

[1, 2, 11, 22, 29, 58, 79, 158, 319, 638, 869, 1621, 1738, 2291, 3242, 4582, 17831, 25201, 35662, 47009, 50402, 94018, 128059, 256118, 517099, 1034198, 1408649, 2817298, 3713711, 7427422, 40850821, 81701642]

約数ペア:

[(1, 81701642), (2, 40850821), (11, 7427422), (22, 3713711), (29, 2817298), (58, 1408649), (79, 1034198), (158, 517099), (319, 256118), (638, 128059), (869, 94018), (1621, 50402), (1738, 47009), (2291, 35662), (3242, 25201), (4582, 17831)]