81288716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{9109}}^1$

素因数の和:9233

約数の個数: 24

約数和(自身を含む): 149987040

約数和(自身を除く): 68698324

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 4462, 8924, 9109, 18218, 36436, 209507, 419014, 838028, 883573, 1767146, 3534292, 20322179, 40644358, 81288716]

約数ペア:

[(1, 81288716), (2, 40644358), (4, 20322179), (23, 3534292), (46, 1767146), (92, 883573), (97, 838028), (194, 419014), (388, 209507), (2231, 36436), (4462, 18218), (8924, 9109)]