253997656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{47317}}^1$

素因数の和:47395

約数の個数: 32

約数和(自身を含む): 528068880

約数和(自身を除く): 274071224

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 47317, 94634, 189268, 378536, 520487, 1040974, 2081948, 2886337, 4163896, 5772674, 11545348, 23090696, 31749707, 63499414, 126998828, 253997656]

約数ペア:

[(1, 253997656), (2, 126998828), (4, 63499414), (8, 31749707), (11, 23090696), (22, 11545348), (44, 5772674), (61, 4163896), (88, 2886337), (122, 2081948), (244, 1040974), (488, 520487), (671, 378536), (1342, 189268), (2684, 94634), (5368, 47317)]