209345752

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19991}}^1$

素因数の和:20032

約数の個数: 64

約数和(自身を含む): 518192640

約数和(自身を除く): 308846888

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 2618, 5236, 10472, 19991, 39982, 79964, 139937, 159928, 219901, 279874, 339847, 439802, 559748, 679694, 879604, 1119496, 1359388, 1539307, 1759208, 2378929, 2718776, 3078614, 3738317, 4757858, 6157228, 7476634, 9515716, 12314456, 14953268, 19031432, 26168219, 29906536, 52336438, 104672876, 209345752]

約数ペア:

[(1, 209345752), (2, 104672876), (4, 52336438), (7, 29906536), (8, 26168219), (11, 19031432), (14, 14953268), (17, 12314456), (22, 9515716), (28, 7476634), (34, 6157228), (44, 4757858), (56, 3738317), (68, 3078614), (77, 2718776), (88, 2378929), (119, 1759208), (136, 1539307), (154, 1359388), (187, 1119496), (238, 879604), (308, 679694), (374, 559748), (476, 439802), (616, 339847), (748, 279874), (952, 219901), (1309, 159928), (1496, 139937), (2618, 79964), (5236, 39982), (10472, 19991)]