51723438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21440

約数の個数: 32

約数和(自身を含む): 115003392

約数和(自身を除く): 63279954

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 21391, 42782, 64173, 128346, 278083, 556166, 663121, 834249, 1326242, 1668498, 1989363, 3978726, 8620573, 17241146, 25861719, 51723438]

約数ペア:

[(1, 51723438), (2, 25861719), (3, 17241146), (6, 8620573), (13, 3978726), (26, 1989363), (31, 1668498), (39, 1326242), (62, 834249), (78, 663121), (93, 556166), (186, 278083), (403, 128346), (806, 64173), (1209, 42782), (2418, 21391)]