257444494

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 406425600

約数和(自身を除く): 148981106

約数列:

[1, 2, 41, 59, 82, 118, 127, 254, 419, 838, 2419, 4838, 5207, 7493, 10414, 14986, 17179, 24721, 34358, 49442, 53213, 106426, 307213, 614426, 1013561, 2027122, 2181733, 3139567, 4363466, 6279134, 128722247, 257444494]

約数ペア:

[(1, 257444494), (2, 128722247), (41, 6279134), (59, 4363466), (82, 3139567), (118, 2181733), (127, 2027122), (254, 1013561), (419, 614426), (838, 307213), (2419, 106426), (4838, 53213), (5207, 49442), (7493, 34358), (10414, 24721), (14986, 17179)]