9780454768

素因数分解:

$2^4\times 7^1\times {\mathrm{443}}^1\times {\mathrm{197123}}^1$

素因数の和:197581

約数の個数: 40

約数和(自身を含む): 21705717888

約数和(自身を除く): 11925263120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 443, 886, 1772, 3101, 3544, 6202, 7088, 12404, 24808, 49616, 197123, 394246, 788492, 1379861, 1576984, 2759722, 3153968, 5519444, 11038888, 22077776, 87325489, 174650978, 349301956, 611278423, 698603912, 1222556846, 1397207824, 2445113692, 4890227384, 9780454768]

約数ペア:

[(1, 9780454768), (2, 4890227384), (4, 2445113692), (7, 1397207824), (8, 1222556846), (14, 698603912), (16, 611278423), (28, 349301956), (56, 174650978), (112, 87325489), (443, 22077776), (886, 11038888), (1772, 5519444), (3101, 3153968), (3544, 2759722), (6202, 1576984), (7088, 1379861), (12404, 788492), (24808, 394246), (49616, 197123)]