638048

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 24

約数和(自身を含む): 1274112

約数和(自身を除く): 636064

約数列:

[1, 2, 4, 8, 16, 32, 127, 157, 254, 314, 508, 628, 1016, 1256, 2032, 2512, 4064, 5024, 19939, 39878, 79756, 159512, 319024, 638048]

約数ペア:

[(1, 638048), (2, 319024), (4, 159512), (8, 79756), (16, 39878), (32, 19939), (127, 5024), (157, 4064), (254, 2512), (314, 2032), (508, 1256), (628, 1016)]