255628542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1609

約数の個数: 64

約数和(自身を含む): 576737280

約数和(自身を除く): 321108738

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 142, 186, 213, 403, 426, 806, 923, 1209, 1489, 1846, 2201, 2418, 2769, 2978, 4402, 4467, 5538, 6603, 8934, 13206, 19357, 28613, 38714, 46159, 57226, 58071, 85839, 92318, 105719, 116142, 138477, 171678, 211438, 276954, 317157, 600067, 634314, 1200134, 1374347, 1800201, 2748694, 3277289, 3600402, 4123041, 6554578, 8246082, 9831867, 19663734, 42604757, 85209514, 127814271, 255628542]

約数ペア:

[(1, 255628542), (2, 127814271), (3, 85209514), (6, 42604757), (13, 19663734), (26, 9831867), (31, 8246082), (39, 6554578), (62, 4123041), (71, 3600402), (78, 3277289), (93, 2748694), (142, 1800201), (186, 1374347), (213, 1200134), (403, 634314), (426, 600067), (806, 317157), (923, 276954), (1209, 211438), (1489, 171678), (1846, 138477), (2201, 116142), (2418, 105719), (2769, 92318), (2978, 85839), (4402, 58071), (4467, 57226), (5538, 46159), (6603, 38714), (8934, 28613), (13206, 19357)]