389556178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{5641}}^1$

素因数の和:5770

約数の個数: 32

約数和(自身を含む): 661332672

約数和(自身を除く): 271776494

約数列:

[1, 2, 11, 22, 43, 73, 86, 146, 473, 803, 946, 1606, 3139, 5641, 6278, 11282, 34529, 62051, 69058, 124102, 242563, 411793, 485126, 823586, 2668193, 4529723, 5336386, 9059446, 17707099, 35414198, 194778089, 389556178]

約数ペア:

[(1, 389556178), (2, 194778089), (11, 35414198), (22, 17707099), (43, 9059446), (73, 5336386), (86, 4529723), (146, 2668193), (473, 823586), (803, 485126), (946, 411793), (1606, 242563), (3139, 124102), (5641, 69058), (6278, 62051), (11282, 34529)]