28245646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 51228288

約数和(自身を除く): 22982642

約数列:

[1, 2, 11, 13, 22, 26, 71, 107, 142, 143, 169, 214, 286, 338, 781, 923, 1177, 1391, 1562, 1846, 1859, 2354, 2782, 3718, 7597, 10153, 11999, 15194, 15301, 18083, 20306, 23998, 30602, 36166, 83567, 98761, 131989, 167134, 197522, 198913, 263978, 397826, 1086371, 1283893, 2172742, 2567786, 14122823, 28245646]

約数ペア:

[(1, 28245646), (2, 14122823), (11, 2567786), (13, 2172742), (22, 1283893), (26, 1086371), (71, 397826), (107, 263978), (142, 198913), (143, 197522), (169, 167134), (214, 131989), (286, 98761), (338, 83567), (781, 36166), (923, 30602), (1177, 23998), (1391, 20306), (1562, 18083), (1846, 15301), (1859, 15194), (2354, 11999), (2782, 10153), (3718, 7597)]