1388348728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3607}}^1\times {\mathrm{3701}}^1$

素因数の和:7327

約数の個数: 32

約数和(自身を含む): 2804931360

約数和(自身を除く): 1416582632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3607, 3701, 7214, 7402, 14428, 14804, 28856, 29608, 46891, 48113, 93782, 96226, 187564, 192452, 375128, 384904, 13349507, 26699014, 53398028, 106796056, 173543591, 347087182, 694174364, 1388348728]

約数ペア:

[(1, 1388348728), (2, 694174364), (4, 347087182), (8, 173543591), (13, 106796056), (26, 53398028), (52, 26699014), (104, 13349507), (3607, 384904), (3701, 375128), (7214, 192452), (7402, 187564), (14428, 96226), (14804, 93782), (28856, 48113), (29608, 46891)]