218215925

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 276619200

約数和(自身を除く): 58403275

約数列:

[1, 5, 25, 59, 295, 337, 439, 1475, 1685, 2195, 8425, 10975, 19883, 25901, 99415, 129505, 147943, 497075, 647525, 739715, 3698575, 8728637, 43643185, 218215925]

約数ペア:

[(1, 218215925), (5, 43643185), (25, 8728637), (59, 3698575), (295, 739715), (337, 647525), (439, 497075), (1475, 147943), (1685, 129505), (2195, 99415), (8425, 25901), (10975, 19883)]