28390136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 56700000

約数和(自身を除く): 28309864

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 796, 1049, 1592, 2098, 3383, 4196, 6766, 8392, 13532, 17833, 27064, 35666, 71332, 142664, 208751, 417502, 835004, 1670008, 3548767, 7097534, 14195068, 28390136]

約数ペア:

[(1, 28390136), (2, 14195068), (4, 7097534), (8, 3548767), (17, 1670008), (34, 835004), (68, 417502), (136, 208751), (199, 142664), (398, 71332), (796, 35666), (1049, 27064), (1592, 17833), (2098, 13532), (3383, 8392), (4196, 6766)]