7678216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10465784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 199, 212, 364, 371, 398, 424, 689, 728, 742, 796, 1378, 1393, 1484, 1592, 2587, 2756, 2786, 2968, 4823, 5174, 5512, 5572, 9646, 10348, 10547, 11144, 18109, 19292, 20696, 21094, 36218, 38584, 42188, 72436, 73829, 84376, 137111, 144872, 147658, 274222, 295316, 548444, 590632, 959777, 1096888, 1919554, 3839108, 7678216]

約数ペア:

[(1, 7678216), (2, 3839108), (4, 1919554), (7, 1096888), (8, 959777), (13, 590632), (14, 548444), (26, 295316), (28, 274222), (52, 147658), (53, 144872), (56, 137111), (91, 84376), (104, 73829), (106, 72436), (182, 42188), (199, 38584), (212, 36218), (364, 21094), (371, 20696), (398, 19292), (424, 18109), (689, 11144), (728, 10547), (742, 10348), (796, 9646), (1378, 5572), (1393, 5512), (1484, 5174), (1592, 4823), (2587, 2968), (2756, 2786)]