638731536

素因数分解:

$2^4\times 3^1\times {\mathrm{13306907}}^1$

素因数の和:13306918

約数の個数: 20

約数和(自身を含む): 1650056592

約数和(自身を除く): 1011325056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13306907, 26613814, 39920721, 53227628, 79841442, 106455256, 159682884, 212910512, 319365768, 638731536]

約数ペア:

[(1, 638731536), (2, 319365768), (3, 212910512), (4, 159682884), (6, 106455256), (8, 79841442), (12, 53227628), (16, 39920721), (24, 26613814), (48, 13306907)]