1386996821

素因数分解:

$7^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1\times {\mathrm{1657}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 1596773376

約数和(自身を除く): 209776555

約数列:

[1, 7, 197, 607, 1379, 1657, 4249, 11599, 119579, 326429, 837053, 1005799, 2285003, 7040593, 198142403, 1386996821]

約数ペア:

[(1, 1386996821), (7, 198142403), (197, 7040593), (607, 2285003), (1379, 1005799), (1657, 837053), (4249, 326429), (11599, 119579)]