12991418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 22505472

約数和(自身を除く): 9514054

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 443, 473, 682, 886, 946, 1333, 2666, 4873, 9746, 13733, 14663, 19049, 27466, 29326, 38098, 151063, 209539, 302126, 419078, 590519, 1181038, 6495709, 12991418]

約数ペア:

[(1, 12991418), (2, 6495709), (11, 1181038), (22, 590519), (31, 419078), (43, 302126), (62, 209539), (86, 151063), (341, 38098), (443, 29326), (473, 27466), (682, 19049), (886, 14663), (946, 13733), (1333, 9746), (2666, 4873)]