198520958

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 318470400

約数和(自身を除く): 119949442

約数列:

[1, 2, 23, 46, 59, 118, 193, 379, 386, 758, 1357, 2714, 4439, 8717, 8878, 11387, 17434, 22361, 22774, 44722, 73147, 146294, 261901, 514303, 523802, 1028606, 1682381, 3364762, 4315673, 8631346, 99260479, 198520958]

約数ペア:

[(1, 198520958), (2, 99260479), (23, 8631346), (46, 4315673), (59, 3364762), (118, 1682381), (193, 1028606), (379, 523802), (386, 514303), (758, 261901), (1357, 146294), (2714, 73147), (4439, 44722), (8717, 22774), (8878, 22361), (11387, 17434)]