16679975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3019}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 23592240

約数和(自身を除く): 6912265

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3019, 5525, 15095, 39247, 51323, 75475, 196235, 256615, 667199, 981175, 1283075, 3335995, 16679975]

約数ペア:

[(1, 16679975), (5, 3335995), (13, 1283075), (17, 981175), (25, 667199), (65, 256615), (85, 196235), (221, 75475), (325, 51323), (425, 39247), (1105, 15095), (3019, 5525)]