7921738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 13009824

約数和(自身を除く): 5088086

約数列:

[1, 2, 11, 22, 397, 794, 907, 1814, 4367, 8734, 9977, 19954, 360079, 720158, 3960869, 7921738]

約数ペア:

[(1, 7921738), (2, 3960869), (11, 720158), (22, 360079), (397, 19954), (794, 9977), (907, 8734), (1814, 4367)]