221401748

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{2137}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 395102400

約数和(自身を除く): 173700652

約数列:

[1, 2, 4, 59, 118, 236, 439, 878, 1756, 2137, 4274, 8548, 25901, 51802, 103604, 126083, 252166, 504332, 938143, 1876286, 3752572, 55350437, 110700874, 221401748]

約数ペア:

[(1, 221401748), (2, 110700874), (4, 55350437), (59, 3752572), (118, 1876286), (236, 938143), (439, 504332), (878, 252166), (1756, 126083), (2137, 103604), (4274, 51802), (8548, 25901)]