12457736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 24948000

約数和(自身を除く): 12490264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 659, 1112, 1318, 2363, 2636, 4726, 5272, 9452, 11203, 18904, 22406, 44812, 89624, 91601, 183202, 366404, 732808, 1557217, 3114434, 6228868, 12457736]

約数ペア:

[(1, 12457736), (2, 6228868), (4, 3114434), (8, 1557217), (17, 732808), (34, 366404), (68, 183202), (136, 91601), (139, 89624), (278, 44812), (556, 22406), (659, 18904), (1112, 11203), (1318, 9452), (2363, 5272), (2636, 4726)]