1561969552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{682679}}^1$

素因数の和:682711

約数の個数: 40

約数和(自身を含む): 3555397440

約数和(自身を除く): 1993427888

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 682679, 1365358, 2730716, 5461432, 7509469, 8874827, 10922864, 15018938, 17749654, 30037876, 35499308, 60075752, 70998616, 97623097, 120151504, 141997232, 195246194, 390492388, 780984776, 1561969552]

約数ペア:

[(1, 1561969552), (2, 780984776), (4, 390492388), (8, 195246194), (11, 141997232), (13, 120151504), (16, 97623097), (22, 70998616), (26, 60075752), (44, 35499308), (52, 30037876), (88, 17749654), (104, 15018938), (143, 10922864), (176, 8874827), (208, 7509469), (286, 5461432), (572, 2730716), (1144, 1365358), (2288, 682679)]