2489552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{11969}}^1$

素因数の和:11990

約数の個数: 20

約数和(自身を含む): 5194980

約数和(自身を除く): 2705428

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 11969, 23938, 47876, 95752, 155597, 191504, 311194, 622388, 1244776, 2489552]

約数ペア:

[(1, 2489552), (2, 1244776), (4, 622388), (8, 311194), (13, 191504), (16, 155597), (26, 95752), (52, 47876), (104, 23938), (208, 11969)]