520146

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 1280448

約数和(自身を除く): 760302

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 71, 74, 99, 111, 142, 198, 213, 222, 333, 407, 426, 639, 666, 781, 814, 1221, 1278, 1562, 2343, 2442, 2627, 3663, 4686, 5254, 7029, 7326, 7881, 14058, 15762, 23643, 28897, 47286, 57794, 86691, 173382, 260073, 520146]

約数ペア:

[(1, 520146), (2, 260073), (3, 173382), (6, 86691), (9, 57794), (11, 47286), (18, 28897), (22, 23643), (33, 15762), (37, 14058), (66, 7881), (71, 7326), (74, 7029), (99, 5254), (111, 4686), (142, 3663), (198, 2627), (213, 2442), (222, 2343), (333, 1562), (407, 1278), (426, 1221), (639, 814), (666, 781)]