647520923

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{7993}}^1$

素因数の和:8234

約数の個数: 16

約数和(自身を含む): 755145216

約数和(自身を除く): 107624293

約数列:

[1, 7, 71, 163, 497, 1141, 7993, 11573, 55951, 81011, 567503, 1302859, 3972521, 9120013, 92502989, 647520923]

約数ペア:

[(1, 647520923), (7, 92502989), (71, 9120013), (163, 3972521), (497, 1302859), (1141, 567503), (7993, 81011), (11573, 55951)]