221475268

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{44189}}^1$

素因数の和:44379

約数の個数: 24

約数和(自身を含む): 445435200

約数和(自身を除く): 223959932

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 44189, 88378, 176756, 309323, 618646, 1237292, 7909831, 15819662, 31639324, 55368817, 110737634, 221475268]

約数ペア:

[(1, 221475268), (2, 110737634), (4, 55368817), (7, 31639324), (14, 15819662), (28, 7909831), (179, 1237292), (358, 618646), (716, 309323), (1253, 176756), (2506, 88378), (5012, 44189)]