319990448

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{253157}}^1$

素因数の和:253244

約数の個数: 20

約数和(自身を含む): 627831840

約数和(自身を除く): 307841392

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 253157, 506314, 1012628, 2025256, 4050512, 19999403, 39998806, 79997612, 159995224, 319990448]

約数ペア:

[(1, 319990448), (2, 159995224), (4, 79997612), (8, 39998806), (16, 19999403), (79, 4050512), (158, 2025256), (316, 1012628), (632, 506314), (1264, 253157)]