9938225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 13659840

約数和(自身を除く): 3721615

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 509, 781, 1775, 2545, 3905, 5599, 12725, 19525, 27995, 36139, 139975, 180695, 397529, 903475, 1987645, 9938225]

約数ペア:

[(1, 9938225), (5, 1987645), (11, 903475), (25, 397529), (55, 180695), (71, 139975), (275, 36139), (355, 27995), (509, 19525), (781, 12725), (1775, 5599), (2545, 3905)]