813604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^2$

素因数の和:108

約数の個数: 27

約数和(自身を含む): 1604113

約数和(自身を除く): 790509

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1681, 1804, 3362, 4961, 6724, 9922, 18491, 19844, 36982, 73964, 203401, 406802, 813604]

約数ペア:

[(1, 813604), (2, 406802), (4, 203401), (11, 73964), (22, 36982), (41, 19844), (44, 18491), (82, 9922), (121, 6724), (164, 4961), (242, 3362), (451, 1804), (484, 1681)]