1279131008

素因数分解:

$2^7\times {\mathrm{263}}^1\times {\mathrm{37997}}^1$

素因数の和:38274

約数の個数: 32

約数和(自身を含む): 2558025360

約数和(自身を除く): 1278894352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 263, 526, 1052, 2104, 4208, 8416, 16832, 33664, 37997, 75994, 151988, 303976, 607952, 1215904, 2431808, 4863616, 9993211, 19986422, 39972844, 79945688, 159891376, 319782752, 639565504, 1279131008]

約数ペア:

[(1, 1279131008), (2, 639565504), (4, 319782752), (8, 159891376), (16, 79945688), (32, 39972844), (64, 19986422), (128, 9993211), (263, 4863616), (526, 2431808), (1052, 1215904), (2104, 607952), (4208, 303976), (8416, 151988), (16832, 75994), (33664, 37997)]