201855344

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206819}}^1$

素因数の和:206888

約数の個数: 20

約数和(自身を含む): 397508040

約数和(自身を除く): 195652696

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206819, 413638, 827276, 1654552, 3309104, 12615959, 25231918, 50463836, 100927672, 201855344]

約数ペア:

[(1, 201855344), (2, 100927672), (4, 50463836), (8, 25231918), (16, 12615959), (61, 3309104), (122, 1654552), (244, 827276), (488, 413638), (976, 206819)]