28182128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1041

約数の個数: 40

約数和(自身を含む): 59246208

約数和(自身を除く): 31064080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 863, 1256, 1726, 2041, 2512, 3452, 4082, 6904, 8164, 11219, 13808, 16328, 22438, 32656, 44876, 89752, 135491, 179504, 270982, 541964, 1083928, 1761383, 2167856, 3522766, 7045532, 14091064, 28182128]

約数ペア:

[(1, 28182128), (2, 14091064), (4, 7045532), (8, 3522766), (13, 2167856), (16, 1761383), (26, 1083928), (52, 541964), (104, 270982), (157, 179504), (208, 135491), (314, 89752), (628, 44876), (863, 32656), (1256, 22438), (1726, 16328), (2041, 13808), (2512, 11219), (3452, 8164), (4082, 6904)]