16239725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 21403392

約数和(自身を除く): 5163667

約数列:

[1, 5, 23, 25, 61, 115, 305, 463, 575, 1403, 1525, 2315, 7015, 10649, 11575, 28243, 35075, 53245, 141215, 266225, 649589, 706075, 3247945, 16239725]

約数ペア:

[(1, 16239725), (5, 3247945), (23, 706075), (25, 649589), (61, 266225), (115, 141215), (305, 53245), (463, 35075), (575, 28243), (1403, 11575), (1525, 10649), (2315, 7015)]