40728653

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 50232960

約数和(自身を除く): 9504307

約数列:

[1, 7, 23, 49, 71, 161, 497, 509, 1127, 1633, 3479, 3563, 11431, 11707, 24941, 36139, 80017, 81949, 252973, 573643, 831197, 1770811, 5818379, 40728653]

約数ペア:

[(1, 40728653), (7, 5818379), (23, 1770811), (49, 831197), (71, 573643), (161, 252973), (497, 81949), (509, 80017), (1127, 36139), (1633, 24941), (3479, 11707), (3563, 11431)]