208199344

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{213319}}^1$

素因数の和:213388

約数の個数: 20

約数和(自身を含む): 410001040

約数和(自身を除く): 201801696

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 213319, 426638, 853276, 1706552, 3413104, 13012459, 26024918, 52049836, 104099672, 208199344]

約数ペア:

[(1, 208199344), (2, 104099672), (4, 52049836), (8, 26024918), (16, 13012459), (61, 3413104), (122, 1706552), (244, 853276), (488, 426638), (976, 213319)]