257026604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{198937}}^1$

素因数の和:198977

約数の個数: 24

約数和(自身を含む): 501323760

約数和(自身を除く): 244297156

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 198937, 397874, 795748, 3381929, 3779803, 6763858, 7559606, 13527716, 15119212, 64256651, 128513302, 257026604]

約数ペア:

[(1, 257026604), (2, 128513302), (4, 64256651), (17, 15119212), (19, 13527716), (34, 7559606), (38, 6763858), (68, 3779803), (76, 3381929), (323, 795748), (646, 397874), (1292, 198937)]