199731475

素因数分解:

$5^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 251639648

約数和(自身を除く): 51908173

約数列:

[1, 5, 25, 151, 157, 337, 755, 785, 1685, 3775, 3925, 8425, 23707, 50887, 52909, 118535, 254435, 264545, 592675, 1272175, 1322725, 7989259, 39946295, 199731475]

約数ペア:

[(1, 199731475), (5, 39946295), (25, 7989259), (151, 1322725), (157, 1272175), (337, 592675), (755, 264545), (785, 254435), (1685, 118535), (3775, 52909), (3925, 50887), (8425, 23707)]