648645918

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1522643}}^1$

素因数の和:1522719

約数の個数: 16

約数和(自身を含む): 1315564416

約数和(自身を除く): 666918498

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1522643, 3045286, 4567929, 9135858, 108107653, 216215306, 324322959, 648645918]

約数ペア:

[(1, 648645918), (2, 324322959), (3, 216215306), (6, 108107653), (71, 9135858), (142, 4567929), (213, 3045286), (426, 1522643)]