28039118

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{2543}}^1$

素因数の和:2731

約数の個数: 16

約数和(自身を含む): 43502400

約数和(自身を除く): 15463282

約数列:

[1, 2, 37, 74, 149, 298, 2543, 5086, 5513, 11026, 94091, 188182, 378907, 757814, 14019559, 28039118]

約数ペア:

[(1, 28039118), (2, 14019559), (37, 757814), (74, 378907), (149, 188182), (298, 94091), (2543, 11026), (5086, 5513)]