905867274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163573}}^1$

素因数の和:163662

約数の個数: 32

約数和(自身を含む): 1978591104

約数和(自身を除く): 1072723830

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 163573, 327146, 490719, 981438, 2126449, 4252898, 6379347, 11613683, 12758694, 23227366, 34841049, 69682098, 150977879, 301955758, 452933637, 905867274]

約数ペア:

[(1, 905867274), (2, 452933637), (3, 301955758), (6, 150977879), (13, 69682098), (26, 34841049), (39, 23227366), (71, 12758694), (78, 11613683), (142, 6379347), (213, 4252898), (426, 2126449), (923, 981438), (1846, 490719), (2769, 327146), (5538, 163573)]