1938403789

素因数分解:

$7^3\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 2303840000

約数和(自身を除く): 365436211

約数列:

[1, 7, 49, 109, 139, 343, 373, 763, 973, 2611, 5341, 6811, 15151, 18277, 37387, 40657, 47677, 51847, 106057, 127939, 284599, 362929, 742399, 1992193, 2540503, 5196793, 5651323, 13945351, 17783521, 39559261, 276914827, 1938403789]

約数ペア:

[(1, 1938403789), (7, 276914827), (49, 39559261), (109, 17783521), (139, 13945351), (343, 5651323), (373, 5196793), (763, 2540503), (973, 1992193), (2611, 742399), (5341, 362929), (6811, 284599), (15151, 127939), (18277, 106057), (37387, 51847), (40657, 47677)]