138969728

素因数分解:

$2^7\times {\mathrm{311}}^1\times {\mathrm{3491}}^1$

素因数の和:3816

約数の個数: 32

約数和(自身を含む): 277823520

約数和(自身を除く): 138853792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 311, 622, 1244, 2488, 3491, 4976, 6982, 9952, 13964, 19904, 27928, 39808, 55856, 111712, 223424, 446848, 1085701, 2171402, 4342804, 8685608, 17371216, 34742432, 69484864, 138969728]

約数ペア:

[(1, 138969728), (2, 69484864), (4, 34742432), (8, 17371216), (16, 8685608), (32, 4342804), (64, 2171402), (128, 1085701), (311, 446848), (622, 223424), (1244, 111712), (2488, 55856), (3491, 39808), (4976, 27928), (6982, 19904), (9952, 13964)]