251894228

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{2657}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 446767272

約数和(自身を除く): 194873044

約数列:

[1, 2, 4, 137, 173, 274, 346, 548, 692, 2657, 5314, 10628, 23701, 47402, 94804, 364009, 459661, 728018, 919322, 1456036, 1838644, 62973557, 125947114, 251894228]

約数ペア:

[(1, 251894228), (2, 125947114), (4, 62973557), (137, 1838644), (173, 1456036), (274, 919322), (346, 728018), (548, 459661), (692, 364009), (2657, 94804), (5314, 47402), (10628, 23701)]