201728428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{19183}}^1$

素因数の和:19437

約数の個数: 24

約数和(自身を含む): 386749440

約数和(自身を除く): 185021012

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2629, 5258, 10516, 19183, 38366, 76732, 211013, 422026, 844052, 4584737, 9169474, 18338948, 50432107, 100864214, 201728428]

約数ペア:

[(1, 201728428), (2, 100864214), (4, 50432107), (11, 18338948), (22, 9169474), (44, 4584737), (239, 844052), (478, 422026), (956, 211013), (2629, 76732), (5258, 38366), (10516, 19183)]