28920086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 49206528

約数和(自身を除く): 20286442

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 677, 689, 806, 1354, 1378, 1643, 3286, 8801, 17602, 20987, 21359, 35881, 41974, 42718, 71762, 272831, 466453, 545662, 932906, 1112311, 2224622, 14460043, 28920086]

約数ペア:

[(1, 28920086), (2, 14460043), (13, 2224622), (26, 1112311), (31, 932906), (53, 545662), (62, 466453), (106, 272831), (403, 71762), (677, 42718), (689, 41974), (806, 35881), (1354, 21359), (1378, 20987), (1643, 17602), (3286, 8801)]