13885328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 28926720

約数和(自身を除く): 15041392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 719, 1136, 1207, 1438, 2414, 2876, 4828, 5752, 9656, 11504, 12223, 19312, 24446, 48892, 51049, 97784, 102098, 195568, 204196, 408392, 816784, 867833, 1735666, 3471332, 6942664, 13885328]

約数ペア:

[(1, 13885328), (2, 6942664), (4, 3471332), (8, 1735666), (16, 867833), (17, 816784), (34, 408392), (68, 204196), (71, 195568), (136, 102098), (142, 97784), (272, 51049), (284, 48892), (568, 24446), (719, 19312), (1136, 12223), (1207, 11504), (1438, 9656), (2414, 5752), (2876, 4828)]