56781466

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 99360000

約数和(自身を除く): 42578534

約数列:

[1, 2, 7, 14, 89, 178, 199, 229, 398, 458, 623, 1246, 1393, 1603, 2786, 3206, 17711, 20381, 35422, 40762, 45571, 91142, 123977, 142667, 247954, 285334, 318997, 637994, 4055819, 8111638, 28390733, 56781466]

約数ペア:

[(1, 56781466), (2, 28390733), (7, 8111638), (14, 4055819), (89, 637994), (178, 318997), (199, 285334), (229, 247954), (398, 142667), (458, 123977), (623, 91142), (1246, 45571), (1393, 40762), (1603, 35422), (2786, 20381), (3206, 17711)]