351988976

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{140123}}^1$

素因数の和:140288

約数の個数: 20

約数和(自身を含む): 686327352

約数和(自身を除く): 334338376

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 140123, 280246, 560492, 1120984, 2241968, 21999311, 43998622, 87997244, 175994488, 351988976]

約数ペア:

[(1, 351988976), (2, 175994488), (4, 87997244), (8, 43998622), (16, 21999311), (157, 2241968), (314, 1120984), (628, 560492), (1256, 280246), (2512, 140123)]