257486384

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{272761}}^1$

素因数の和:272828

約数の個数: 20

約数和(自身を含む): 507337320

約数和(自身を除く): 249850936

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 272761, 545522, 1091044, 2182088, 4364176, 16092899, 32185798, 64371596, 128743192, 257486384]

約数ペア:

[(1, 257486384), (2, 128743192), (4, 64371596), (8, 32185798), (16, 16092899), (59, 4364176), (118, 2182088), (236, 1091044), (472, 545522), (944, 272761)]