208298419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 259153920

約数和(自身を除く): 50855501

約数列:

[1, 7, 23, 37, 73, 161, 259, 479, 511, 851, 1679, 2701, 3353, 5957, 11017, 11753, 17723, 18907, 34967, 62123, 77119, 124061, 244769, 407629, 434861, 804241, 1293779, 2853403, 5629687, 9056453, 29756917, 208298419]

約数ペア:

[(1, 208298419), (7, 29756917), (23, 9056453), (37, 5629687), (73, 2853403), (161, 1293779), (259, 804241), (479, 434861), (511, 407629), (851, 244769), (1679, 124061), (2701, 77119), (3353, 62123), (5957, 34967), (11017, 18907), (11753, 17723)]