15721027328

素因数分解:

$2^8\times {\mathrm{389}}^1\times {\mathrm{157867}}^1$

素因数の和:158272

約数の個数: 36

約数和(自身を含む): 31461513720

約数和(自身を除く): 15740486392

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 389, 778, 1556, 3112, 6224, 12448, 24896, 49792, 99584, 157867, 315734, 631468, 1262936, 2525872, 5051744, 10103488, 20206976, 40413952, 61410263, 122820526, 245641052, 491282104, 982564208, 1965128416, 3930256832, 7860513664, 15721027328]

約数ペア:

[(1, 15721027328), (2, 7860513664), (4, 3930256832), (8, 1965128416), (16, 982564208), (32, 491282104), (64, 245641052), (128, 122820526), (256, 61410263), (389, 40413952), (778, 20206976), (1556, 10103488), (3112, 5051744), (6224, 2525872), (12448, 1262936), (24896, 631468), (49792, 315734), (99584, 157867)]