25704668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 50207976

約数和(自身を除く): 24503308

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 157, 244, 314, 628, 671, 1342, 1727, 2684, 3454, 3721, 6908, 7442, 9577, 14884, 19154, 38308, 40931, 81862, 105347, 163724, 210694, 421388, 584197, 1168394, 2336788, 6426167, 12852334, 25704668]

約数ペア:

[(1, 25704668), (2, 12852334), (4, 6426167), (11, 2336788), (22, 1168394), (44, 584197), (61, 421388), (122, 210694), (157, 163724), (244, 105347), (314, 81862), (628, 40931), (671, 38308), (1342, 19154), (1727, 14884), (2684, 9577), (3454, 7442), (3721, 6908)]