313639808

素因数分解:

$2^7\times {\mathrm{389}}^1\times {\mathrm{6299}}^1$

素因数の和:6702

約数の個数: 32

約数和(自身を含む): 626535000

約数和(自身を除く): 312895192

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 389, 778, 1556, 3112, 6224, 6299, 12448, 12598, 24896, 25196, 49792, 50392, 100784, 201568, 403136, 806272, 2450311, 4900622, 9801244, 19602488, 39204976, 78409952, 156819904, 313639808]

約数ペア:

[(1, 313639808), (2, 156819904), (4, 78409952), (8, 39204976), (16, 19602488), (32, 9801244), (64, 4900622), (128, 2450311), (389, 806272), (778, 403136), (1556, 201568), (3112, 100784), (6224, 50392), (6299, 49792), (12448, 25196), (12598, 24896)]