217444414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{22013}}^1$

素因数の和:22475

約数の個数: 16

約数和(自身を含む): 356626800

約数和(自身を除く): 139182386

約数列:

[1, 2, 11, 22, 449, 898, 4939, 9878, 22013, 44026, 242143, 484286, 9883837, 19767674, 108722207, 217444414]

約数ペア:

[(1, 217444414), (2, 108722207), (11, 19767674), (22, 9883837), (449, 484286), (898, 242143), (4939, 44026), (9878, 22013)]