557720452

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{386233}}^1$

素因数の和:386275

約数の個数: 18

約数和(自身を含む): 1030086078

約数和(自身を除く): 472365626

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 386233, 772466, 1544932, 7338427, 14676854, 29353708, 139430113, 278860226, 557720452]

約数ペア:

[(1, 557720452), (2, 278860226), (4, 139430113), (19, 29353708), (38, 14676854), (76, 7338427), (361, 1544932), (722, 772466), (1444, 386233)]