639775136

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:20014

約数の個数: 96

約数和(自身を含む): 1691238528

約数和(自身を除く): 1051463392

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 2464, 2912, 4004, 4576, 8008, 16016, 19973, 32032, 39946, 79892, 139811, 159784, 219703, 259649, 279622, 319568, 439406, 519298, 559244, 639136, 878812, 1038596, 1118488, 1537921, 1757624, 1817543, 2077192, 2236976, 2856139, 3075842, 3515248, 3635086, 4154384, 4473952, 5712278, 6151684, 7030496, 7270172, 8308768, 11424556, 12303368, 14540344, 19992973, 22849112, 24606736, 29080688, 39985946, 45698224, 49213472, 58161376, 79971892, 91396448, 159943784, 319887568, 639775136]

約数ペア:

[(1, 639775136), (2, 319887568), (4, 159943784), (7, 91396448), (8, 79971892), (11, 58161376), (13, 49213472), (14, 45698224), (16, 39985946), (22, 29080688), (26, 24606736), (28, 22849112), (32, 19992973), (44, 14540344), (52, 12303368), (56, 11424556), (77, 8308768), (88, 7270172), (91, 7030496), (104, 6151684), (112, 5712278), (143, 4473952), (154, 4154384), (176, 3635086), (182, 3515248), (208, 3075842), (224, 2856139), (286, 2236976), (308, 2077192), (352, 1817543), (364, 1757624), (416, 1537921), (572, 1118488), (616, 1038596), (728, 878812), (1001, 639136), (1144, 559244), (1232, 519298), (1456, 439406), (2002, 319568), (2288, 279622), (2464, 259649), (2912, 219703), (4004, 159784), (4576, 139811), (8008, 79892), (16016, 39946), (19973, 32032)]