205943478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1709

約数の個数: 64

約数和(自身を含む): 466808832

約数和(自身を除く): 260865354

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 53, 62, 78, 93, 106, 159, 186, 318, 403, 689, 806, 1209, 1378, 1607, 1643, 2067, 2418, 3214, 3286, 4134, 4821, 4929, 9642, 9858, 20891, 21359, 41782, 42718, 49817, 62673, 64077, 85171, 99634, 125346, 128154, 149451, 170342, 255513, 298902, 511026, 647621, 1107223, 1295242, 1942863, 2214446, 2640301, 3321669, 3885726, 5280602, 6643338, 7920903, 15841806, 34323913, 68647826, 102971739, 205943478]

約数ペア:

[(1, 205943478), (2, 102971739), (3, 68647826), (6, 34323913), (13, 15841806), (26, 7920903), (31, 6643338), (39, 5280602), (53, 3885726), (62, 3321669), (78, 2640301), (93, 2214446), (106, 1942863), (159, 1295242), (186, 1107223), (318, 647621), (403, 511026), (689, 298902), (806, 255513), (1209, 170342), (1378, 149451), (1607, 128154), (1643, 125346), (2067, 99634), (2418, 85171), (3214, 64077), (3286, 62673), (4134, 49817), (4821, 42718), (4929, 41782), (9642, 21359), (9858, 20891)]