215564828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{4409}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 400075200

約数和(自身を除く): 184510372

約数列:

[1, 2, 4, 17, 34, 68, 719, 1438, 2876, 4409, 8818, 12223, 17636, 24446, 48892, 74953, 149906, 299812, 3170071, 6340142, 12680284, 53891207, 107782414, 215564828]

約数ペア:

[(1, 215564828), (2, 107782414), (4, 53891207), (17, 12680284), (34, 6340142), (68, 3170071), (719, 299812), (1438, 149906), (2876, 74953), (4409, 48892), (8818, 24446), (12223, 17636)]