180996956

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 369847296

約数和(自身を除く): 188850340

約数列:

[1, 2, 4, 7, 14, 28, 97, 103, 194, 206, 388, 412, 647, 679, 721, 1294, 1358, 1442, 2588, 2716, 2884, 4529, 9058, 9991, 18116, 19982, 39964, 62759, 66641, 69937, 125518, 133282, 139874, 251036, 266564, 279748, 439313, 466487, 878626, 932974, 1757252, 1865948, 6464177, 12928354, 25856708, 45249239, 90498478, 180996956]

約数ペア:

[(1, 180996956), (2, 90498478), (4, 45249239), (7, 25856708), (14, 12928354), (28, 6464177), (97, 1865948), (103, 1757252), (194, 932974), (206, 878626), (388, 466487), (412, 439313), (647, 279748), (679, 266564), (721, 251036), (1294, 139874), (1358, 133282), (1442, 125518), (2588, 69937), (2716, 66641), (2884, 62759), (4529, 39964), (9058, 19982), (9991, 18116)]