28249988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31957}}^1$

素因数の和:31991

約数の個数: 24

約数和(自身を含む): 56373912

約数和(自身を除く): 28123924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 31957, 63914, 127828, 415441, 543269, 830882, 1086538, 1661764, 2173076, 7062497, 14124994, 28249988]

約数ペア:

[(1, 28249988), (2, 14124994), (4, 7062497), (13, 2173076), (17, 1661764), (26, 1086538), (34, 830882), (52, 543269), (68, 415441), (221, 127828), (442, 63914), (884, 31957)]