81604772

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1896

約数の個数: 36

約数和(自身を含む): 155667456

約数和(自身を除く): 74062684

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 589, 722, 1178, 1444, 1823, 2356, 3646, 7292, 11191, 22382, 34637, 44764, 56513, 69274, 113026, 138548, 226052, 658103, 1073747, 1316206, 2147494, 2632412, 4294988, 20401193, 40802386, 81604772]

約数ペア:

[(1, 81604772), (2, 40802386), (4, 20401193), (19, 4294988), (31, 2632412), (38, 2147494), (62, 1316206), (76, 1073747), (124, 658103), (361, 226052), (589, 138548), (722, 113026), (1178, 69274), (1444, 56513), (1823, 44764), (2356, 34637), (3646, 22382), (7292, 11191)]