31978912

素因数分解:

$2^5\times 7^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 72334080

約数和(自身を除く): 40355168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 367, 389, 734, 778, 1468, 1556, 2569, 2723, 2936, 3112, 5138, 5446, 5872, 6224, 10276, 10892, 11744, 12448, 20552, 21784, 41104, 43568, 82208, 87136, 142763, 285526, 571052, 999341, 1142104, 1998682, 2284208, 3997364, 4568416, 7994728, 15989456, 31978912]

約数ペア:

[(1, 31978912), (2, 15989456), (4, 7994728), (7, 4568416), (8, 3997364), (14, 2284208), (16, 1998682), (28, 1142104), (32, 999341), (56, 571052), (112, 285526), (224, 142763), (367, 87136), (389, 82208), (734, 43568), (778, 41104), (1468, 21784), (1556, 20552), (2569, 12448), (2723, 11744), (2936, 10892), (3112, 10276), (5138, 6224), (5446, 5872)]