257286276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{3253}}^1$

素因数の和:3302

約数の個数: 72

約数和(自身を含む): 704751320

約数和(自身を除く): 447465044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 2197, 3042, 3253, 4394, 6084, 6506, 6591, 8788, 9759, 13012, 13182, 19518, 19773, 26364, 29277, 39036, 39546, 42289, 58554, 79092, 84578, 117108, 126867, 169156, 253734, 380601, 507468, 549757, 761202, 1099514, 1522404, 1649271, 2199028, 3298542, 4947813, 6597084, 7146841, 9895626, 14293682, 19791252, 21440523, 28587364, 42881046, 64321569, 85762092, 128643138, 257286276]

約数ペア:

[(1, 257286276), (2, 128643138), (3, 85762092), (4, 64321569), (6, 42881046), (9, 28587364), (12, 21440523), (13, 19791252), (18, 14293682), (26, 9895626), (36, 7146841), (39, 6597084), (52, 4947813), (78, 3298542), (117, 2199028), (156, 1649271), (169, 1522404), (234, 1099514), (338, 761202), (468, 549757), (507, 507468), (676, 380601), (1014, 253734), (1521, 169156), (2028, 126867), (2197, 117108), (3042, 84578), (3253, 79092), (4394, 58554), (6084, 42289), (6506, 39546), (6591, 39036), (8788, 29277), (9759, 26364), (13012, 19773), (13182, 19518)]