209065612

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{240859}}^1$

素因数の和:240901

約数の個数: 24

約数和(自身を含む): 431621120

約数和(自身を除く): 222555508

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 240859, 481718, 963436, 1686013, 3372026, 6744052, 7466629, 14933258, 29866516, 52266403, 104532806, 209065612]

約数ペア:

[(1, 209065612), (2, 104532806), (4, 52266403), (7, 29866516), (14, 14933258), (28, 7466629), (31, 6744052), (62, 3372026), (124, 1686013), (217, 963436), (434, 481718), (868, 240859)]