51219376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246247}}^1$

素因数の和:246268

約数の個数: 20

約数和(自身を含む): 106871632

約数和(自身を除く): 55652256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246247, 492494, 984988, 1969976, 3201211, 3939952, 6402422, 12804844, 25609688, 51219376]

約数ペア:

[(1, 51219376), (2, 25609688), (4, 12804844), (8, 6402422), (13, 3939952), (16, 3201211), (26, 1969976), (52, 984988), (104, 492494), (208, 246247)]