12478128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20021

約数の個数: 40

約数和(自身を含む): 34716528

約数和(自身を除く): 22238400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 19997, 39994, 59991, 79988, 119982, 159976, 239964, 259961, 319952, 479928, 519922, 779883, 959856, 1039844, 1559766, 2079688, 3119532, 4159376, 6239064, 12478128]

約数ペア:

[(1, 12478128), (2, 6239064), (3, 4159376), (4, 3119532), (6, 2079688), (8, 1559766), (12, 1039844), (13, 959856), (16, 779883), (24, 519922), (26, 479928), (39, 319952), (48, 259961), (52, 239964), (78, 159976), (104, 119982), (156, 79988), (208, 59991), (312, 39994), (624, 19997)]