266857552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1282969}}^1$

素因数の和:1282990

約数の個数: 20

約数和(自身を含む): 556808980

約数和(自身を除く): 289951428

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1282969, 2565938, 5131876, 10263752, 16678597, 20527504, 33357194, 66714388, 133428776, 266857552]

約数ペア:

[(1, 266857552), (2, 133428776), (4, 66714388), (8, 33357194), (13, 20527504), (16, 16678597), (26, 10263752), (52, 5131876), (104, 2565938), (208, 1282969)]