16985275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 21967344

約数和(自身を除く): 4982069

約数列:

[1, 5, 25, 41, 73, 205, 227, 365, 1025, 1135, 1825, 2993, 5675, 9307, 14965, 16571, 46535, 74825, 82855, 232675, 414275, 679411, 3397055, 16985275]

約数ペア:

[(1, 16985275), (5, 3397055), (25, 679411), (41, 414275), (73, 232675), (205, 82855), (227, 74825), (365, 46535), (1025, 16571), (1135, 14965), (1825, 9307), (2993, 5675)]