1681328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 3656016

約数和(自身を除く): 1974688

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 233, 328, 451, 466, 656, 902, 932, 1804, 1864, 2563, 3608, 3728, 5126, 7216, 9553, 10252, 19106, 20504, 38212, 41008, 76424, 105083, 152848, 210166, 420332, 840664, 1681328]

約数ペア:

[(1, 1681328), (2, 840664), (4, 420332), (8, 210166), (11, 152848), (16, 105083), (22, 76424), (41, 41008), (44, 38212), (82, 20504), (88, 19106), (164, 10252), (176, 9553), (233, 7216), (328, 5126), (451, 3728), (466, 3608), (656, 2563), (902, 1864), (932, 1804)]