247711072

素因数分解:

$2^5\times 7^2\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:924

約数の個数: 72

約数和(自身を含む): 570538080

約数和(自身を除く): 322827008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 239, 392, 478, 661, 784, 956, 1322, 1568, 1673, 1912, 2644, 3346, 3824, 4627, 5288, 6692, 7648, 9254, 10576, 11711, 13384, 18508, 21152, 23422, 26768, 32389, 37016, 46844, 53536, 64778, 74032, 93688, 129556, 148064, 157979, 187376, 259112, 315958, 374752, 518224, 631916, 1036448, 1105853, 1263832, 2211706, 2527664, 4423412, 5055328, 7740971, 8846824, 15481942, 17693648, 30963884, 35387296, 61927768, 123855536, 247711072]

約数ペア:

[(1, 247711072), (2, 123855536), (4, 61927768), (7, 35387296), (8, 30963884), (14, 17693648), (16, 15481942), (28, 8846824), (32, 7740971), (49, 5055328), (56, 4423412), (98, 2527664), (112, 2211706), (196, 1263832), (224, 1105853), (239, 1036448), (392, 631916), (478, 518224), (661, 374752), (784, 315958), (956, 259112), (1322, 187376), (1568, 157979), (1673, 148064), (1912, 129556), (2644, 93688), (3346, 74032), (3824, 64778), (4627, 53536), (5288, 46844), (6692, 37016), (7648, 32389), (9254, 26768), (10576, 23422), (11711, 21152), (13384, 18508)]