16669775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 22279824

約数和(自身を除く): 5610049

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 643, 1037, 1525, 3215, 5185, 10931, 16075, 25925, 39223, 54655, 196115, 273275, 666791, 980575, 3333955, 16669775]

約数ペア:

[(1, 16669775), (5, 3333955), (17, 980575), (25, 666791), (61, 273275), (85, 196115), (305, 54655), (425, 39223), (643, 25925), (1037, 16075), (1525, 10931), (3215, 5185)]