81428724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173993}}^1$

素因数の和:174016

約数の個数: 36

約数和(自身を含む): 221668356

約数和(自身を除く): 140239632

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173993, 347986, 521979, 695972, 1043958, 1565937, 2087916, 2261909, 3131874, 4523818, 6263748, 6785727, 9047636, 13571454, 20357181, 27142908, 40714362, 81428724]

約数ペア:

[(1, 81428724), (2, 40714362), (3, 27142908), (4, 20357181), (6, 13571454), (9, 9047636), (12, 6785727), (13, 6263748), (18, 4523818), (26, 3131874), (36, 2261909), (39, 2087916), (52, 1565937), (78, 1043958), (117, 695972), (156, 521979), (234, 347986), (468, 173993)]