28878746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 21198694

約数列:

[1, 2, 13, 19, 26, 38, 53, 106, 247, 494, 689, 1007, 1103, 1378, 2014, 2206, 13091, 14339, 20957, 26182, 28678, 41914, 58459, 116918, 272441, 544882, 759967, 1110721, 1519934, 2221442, 14439373, 28878746]

約数ペア:

[(1, 28878746), (2, 14439373), (13, 2221442), (19, 1519934), (26, 1110721), (38, 759967), (53, 544882), (106, 272441), (247, 116918), (494, 58459), (689, 41914), (1007, 28678), (1103, 26182), (1378, 20957), (2014, 14339), (2206, 13091)]