12907568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 26041488

約数和(自身を除く): 13133920

約数列:

[1, 2, 4, 8, 16, 43, 73, 86, 146, 172, 257, 292, 344, 514, 584, 688, 1028, 1168, 2056, 3139, 4112, 6278, 11051, 12556, 18761, 22102, 25112, 37522, 44204, 50224, 75044, 88408, 150088, 176816, 300176, 806723, 1613446, 3226892, 6453784, 12907568]

約数ペア:

[(1, 12907568), (2, 6453784), (4, 3226892), (8, 1613446), (16, 806723), (43, 300176), (73, 176816), (86, 150088), (146, 88408), (172, 75044), (257, 50224), (292, 44204), (344, 37522), (514, 25112), (584, 22102), (688, 18761), (1028, 12556), (1168, 11051), (2056, 6278), (3139, 4112)]