861027728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157813}}^1$

素因数の和:157863

約数の個数: 40

約数和(自身を含む): 1878617856

約数和(自身を除く): 1017590128

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 157813, 315626, 631252, 1262504, 1735943, 2525008, 3471886, 4892203, 6943772, 9784406, 13887544, 19568812, 27775088, 39137624, 53814233, 78275248, 107628466, 215256932, 430513864, 861027728]

約数ペア:

[(1, 861027728), (2, 430513864), (4, 215256932), (8, 107628466), (11, 78275248), (16, 53814233), (22, 39137624), (31, 27775088), (44, 19568812), (62, 13887544), (88, 9784406), (124, 6943772), (176, 4892203), (248, 3471886), (341, 2525008), (496, 1735943), (682, 1262504), (1364, 631252), (2728, 315626), (5456, 157813)]