638647536

素因数分解:

$2^4\times 3^1\times {\mathrm{13305157}}^1$

素因数の和:13305168

約数の個数: 20

約数和(自身を含む): 1649839592

約数和(自身を除く): 1011192056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13305157, 26610314, 39915471, 53220628, 79830942, 106441256, 159661884, 212882512, 319323768, 638647536]

約数ペア:

[(1, 638647536), (2, 319323768), (3, 212882512), (4, 159661884), (6, 106441256), (8, 79830942), (12, 53220628), (16, 39915471), (24, 26610314), (48, 13305157)]