198751786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 318693888

約数和(自身を除く): 119942102

約数列:

[1, 2, 23, 46, 61, 122, 193, 367, 386, 734, 1403, 2806, 4439, 8441, 8878, 11773, 16882, 22387, 23546, 44774, 70831, 141662, 270779, 514901, 541558, 1029802, 1629113, 3258226, 4320691, 8641382, 99375893, 198751786]

約数ペア:

[(1, 198751786), (2, 99375893), (23, 8641382), (46, 4320691), (61, 3258226), (122, 1629113), (193, 1029802), (367, 541558), (386, 514901), (734, 270779), (1403, 141662), (2806, 70831), (4439, 44774), (8441, 23546), (8878, 22387), (11773, 16882)]