257507327

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{115319}}^1$

素因数の和:115366

約数の個数: 16

約数和(自身を含む): 332121600

約数和(自身を除く): 74614273

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 115319, 807233, 1268509, 3344251, 8879563, 23409757, 36786761, 257507327]

約数ペア:

[(1, 257507327), (7, 36786761), (11, 23409757), (29, 8879563), (77, 3344251), (203, 1268509), (319, 807233), (2233, 115319)]