278990748

素因数分解:

$2^2\times 3^2\times {\mathrm{1571}}^1\times {\mathrm{4933}}^1$

素因数の和:6514

約数の個数: 36

約数和(自身を含む): 705818568

約数和(自身を除く): 426827820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1571, 3142, 4713, 4933, 6284, 9426, 9866, 14139, 14799, 18852, 19732, 28278, 29598, 44397, 56556, 59196, 88794, 177588, 7749743, 15499486, 23249229, 30998972, 46498458, 69747687, 92996916, 139495374, 278990748]

約数ペア:

[(1, 278990748), (2, 139495374), (3, 92996916), (4, 69747687), (6, 46498458), (9, 30998972), (12, 23249229), (18, 15499486), (36, 7749743), (1571, 177588), (3142, 88794), (4713, 59196), (4933, 56556), (6284, 44397), (9426, 29598), (9866, 28278), (14139, 19732), (14799, 18852)]