217804938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{20089}}^1$

素因数の和:20246

約数の個数: 32

約数和(自身を含む): 472516800

約数和(自身を除く): 254711862

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 10842, 20089, 40178, 60267, 120534, 261157, 522314, 783471, 1566942, 2792371, 5584742, 8377113, 16754226, 36300823, 72601646, 108902469, 217804938]

約数ペア:

[(1, 217804938), (2, 108902469), (3, 72601646), (6, 36300823), (13, 16754226), (26, 8377113), (39, 5584742), (78, 2792371), (139, 1566942), (278, 783471), (417, 522314), (834, 261157), (1807, 120534), (3614, 60267), (5421, 40178), (10842, 20089)]