77781938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 128894976

約数和(自身を除く): 51113038

約数列:

[1, 2, 13, 26, 73, 107, 146, 214, 383, 766, 949, 1391, 1898, 2782, 4979, 7811, 9958, 15622, 27959, 40981, 55918, 81962, 101543, 203086, 363467, 532753, 726934, 1065506, 2991613, 5983226, 38890969, 77781938]

約数ペア:

[(1, 77781938), (2, 38890969), (13, 5983226), (26, 2991613), (73, 1065506), (107, 726934), (146, 532753), (214, 363467), (383, 203086), (766, 101543), (949, 81962), (1391, 55918), (1898, 40981), (2782, 27959), (4979, 15622), (7811, 9958)]