257466608

素因数分解:

$2^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{8123}}^1$

素因数の和:8421

約数の個数: 40

約数和(自身を含む): 572189568

約数和(自身を除く): 314722960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 283, 566, 1132, 1981, 2264, 3962, 4528, 7924, 8123, 15848, 16246, 31696, 32492, 56861, 64984, 113722, 129968, 227444, 454888, 909776, 2298809, 4597618, 9195236, 16091663, 18390472, 32183326, 36780944, 64366652, 128733304, 257466608]

約数ペア:

[(1, 257466608), (2, 128733304), (4, 64366652), (7, 36780944), (8, 32183326), (14, 18390472), (16, 16091663), (28, 9195236), (56, 4597618), (112, 2298809), (283, 909776), (566, 454888), (1132, 227444), (1981, 129968), (2264, 113722), (3962, 64984), (4528, 56861), (7924, 32492), (8123, 31696), (15848, 16246)]