16389725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 22418208

約数和(自身を除く): 6028483

約数列:

[1, 5, 11, 25, 55, 107, 275, 535, 557, 1177, 2675, 2785, 5885, 6127, 13925, 29425, 30635, 59599, 153175, 297995, 655589, 1489975, 3277945, 16389725]

約数ペア:

[(1, 16389725), (5, 3277945), (11, 1489975), (25, 655589), (55, 297995), (107, 153175), (275, 59599), (535, 30635), (557, 29425), (1177, 13925), (2675, 6127), (2785, 5885)]