978171272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2389}}^1$

素因数の和:2566

約数の個数: 64

約数和(自身を含む): 2055782400

約数和(自身を除く): 1077611128

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 127, 248, 254, 403, 508, 806, 1016, 1612, 1651, 2389, 3224, 3302, 3937, 4778, 6604, 7874, 9556, 13208, 15748, 19112, 31057, 31496, 51181, 62114, 74059, 102362, 124228, 148118, 204724, 248456, 296236, 303403, 409448, 592472, 606806, 962767, 1213612, 1925534, 2427224, 3851068, 3944239, 7702136, 7888478, 9405493, 15776956, 18810986, 31553912, 37621972, 75243944, 122271409, 244542818, 489085636, 978171272]

約数ペア:

[(1, 978171272), (2, 489085636), (4, 244542818), (8, 122271409), (13, 75243944), (26, 37621972), (31, 31553912), (52, 18810986), (62, 15776956), (104, 9405493), (124, 7888478), (127, 7702136), (248, 3944239), (254, 3851068), (403, 2427224), (508, 1925534), (806, 1213612), (1016, 962767), (1612, 606806), (1651, 592472), (2389, 409448), (3224, 303403), (3302, 296236), (3937, 248456), (4778, 204724), (6604, 148118), (7874, 124228), (9556, 102362), (13208, 74059), (15748, 62114), (19112, 51181), (31057, 31496)]