280231754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{2129}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 476029440

約数和(自身を除く): 195797686

約数列:

[1, 2, 11, 22, 31, 62, 193, 341, 386, 682, 2123, 2129, 4246, 4258, 5983, 11966, 23419, 46838, 65813, 65999, 131626, 131998, 410897, 725989, 821794, 1451978, 4519867, 9039734, 12737807, 25475614, 140115877, 280231754]

約数ペア:

[(1, 280231754), (2, 140115877), (11, 25475614), (22, 12737807), (31, 9039734), (62, 4519867), (193, 1451978), (341, 821794), (386, 725989), (682, 410897), (2123, 131998), (2129, 131626), (4246, 65999), (4258, 65813), (5983, 46838), (11966, 23419)]