213989872

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{284561}}^1$

素因数の和:284616

約数の個数: 20

約数和(自身を含む): 423428256

約数和(自身を除く): 209438384

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 284561, 569122, 1138244, 2276488, 4552976, 13374367, 26748734, 53497468, 106994936, 213989872]

約数ペア:

[(1, 213989872), (2, 106994936), (4, 53497468), (8, 26748734), (16, 13374367), (47, 4552976), (94, 2276488), (188, 1138244), (376, 569122), (752, 284561)]