12867728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{25943}}^1$

素因数の和:25982

約数の個数: 20

約数和(自身を含む): 25736448

約数和(自身を除く): 12868720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 25943, 51886, 103772, 207544, 415088, 804233, 1608466, 3216932, 6433864, 12867728]

約数ペア:

[(1, 12867728), (2, 6433864), (4, 3216932), (8, 1608466), (16, 804233), (31, 415088), (62, 207544), (124, 103772), (248, 51886), (496, 25943)]