12771664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19469}}^1$

素因数の和:19518

約数の個数: 20

約数和(自身を含む): 25349940

約数和(自身を除く): 12578276

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19469, 38938, 77876, 155752, 311504, 798229, 1596458, 3192916, 6385832, 12771664]

約数ペア:

[(1, 12771664), (2, 6385832), (4, 3192916), (8, 1596458), (16, 798229), (41, 311504), (82, 155752), (164, 77876), (328, 38938), (656, 19469)]