81497884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3950

約数の個数: 36

約数和(自身を含む): 159458880

約数和(自身を除く): 77960996

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 3889, 5239, 7778, 10478, 15556, 20956, 50557, 101114, 120559, 202228, 241118, 482236, 657241, 1314482, 1567267, 2628964, 3134534, 6269068, 20374471, 40748942, 81497884]

約数ペア:

[(1, 81497884), (2, 40748942), (4, 20374471), (13, 6269068), (26, 3134534), (31, 2628964), (52, 1567267), (62, 1314482), (124, 657241), (169, 482236), (338, 241118), (403, 202228), (676, 120559), (806, 101114), (1612, 50557), (3889, 20956), (5239, 15556), (7778, 10478)]