204580159

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 255052800

約数和(自身を除く): 50472641

約数列:

[1, 7, 17, 53, 119, 163, 199, 371, 901, 1141, 1393, 2771, 3383, 6307, 8639, 10547, 19397, 23681, 32437, 60473, 73829, 146863, 179299, 227059, 551429, 1028041, 1255093, 1719161, 3860003, 12034127, 29225737, 204580159]

約数ペア:

[(1, 204580159), (7, 29225737), (17, 12034127), (53, 3860003), (119, 1719161), (163, 1255093), (199, 1028041), (371, 551429), (901, 227059), (1141, 179299), (1393, 146863), (2771, 73829), (3383, 60473), (6307, 32437), (8639, 23681), (10547, 19397)]