2783188135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 4212230400

約数和(自身を除く): 1429042265

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 149, 305, 427, 455, 673, 745, 793, 1043, 1937, 2135, 3365, 3965, 4711, 5215, 5551, 8749, 9089, 9685, 13559, 23555, 27755, 41053, 43745, 45445, 61243, 63623, 67795, 100277, 118157, 205265, 287371, 306215, 318115, 501385, 533689, 590785, 701939, 827099, 1303601, 1436855, 2668445, 3509695, 3735823, 4135495, 6116897, 6518005, 9125207, 18679115, 30584485, 42818279, 45626035, 79519661, 214091395, 397598305, 556637627, 2783188135]

約数ペア:

[(1, 2783188135), (5, 556637627), (7, 397598305), (13, 214091395), (35, 79519661), (61, 45626035), (65, 42818279), (91, 30584485), (149, 18679115), (305, 9125207), (427, 6518005), (455, 6116897), (673, 4135495), (745, 3735823), (793, 3509695), (1043, 2668445), (1937, 1436855), (2135, 1303601), (3365, 827099), (3965, 701939), (4711, 590785), (5215, 533689), (5551, 501385), (8749, 318115), (9089, 306215), (9685, 287371), (13559, 205265), (23555, 118157), (27755, 100277), (41053, 67795), (43745, 63623), (45445, 61243)]