258508208

素因数分解:

$2^4\times 7^1\times {\mathrm{2308109}}^1$

素因数の和:2308124

約数の個数: 20

約数和(自身を含む): 572411280

約数和(自身を除く): 313903072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2308109, 4616218, 9232436, 16156763, 18464872, 32313526, 36929744, 64627052, 129254104, 258508208]

約数ペア:

[(1, 258508208), (2, 129254104), (4, 64627052), (7, 36929744), (8, 32313526), (14, 18464872), (16, 16156763), (28, 9232436), (56, 4616218), (112, 2308109)]