12681878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 22021632

約数和(自身を除く): 9339754

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 353, 506, 706, 781, 1562, 1633, 3266, 3883, 7766, 8119, 16238, 17963, 25063, 35926, 50126, 89309, 178618, 275693, 551386, 576449, 1152898, 6340939, 12681878]

約数ペア:

[(1, 12681878), (2, 6340939), (11, 1152898), (22, 576449), (23, 551386), (46, 275693), (71, 178618), (142, 89309), (253, 50126), (353, 35926), (506, 25063), (706, 17963), (781, 16238), (1562, 8119), (1633, 7766), (3266, 3883)]