1285757784

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{128473}}^1$

素因数の和:128624

約数の個数: 48

約数和(自身を含む): 3507340200

約数和(自身を除く): 2221582416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 10008, 128473, 256946, 385419, 513892, 770838, 1027784, 1156257, 1541676, 2312514, 3083352, 4625028, 9250056, 17857747, 35715494, 53573241, 71430988, 107146482, 142861976, 160719723, 214292964, 321439446, 428585928, 642878892, 1285757784]

約数ペア:

[(1, 1285757784), (2, 642878892), (3, 428585928), (4, 321439446), (6, 214292964), (8, 160719723), (9, 142861976), (12, 107146482), (18, 71430988), (24, 53573241), (36, 35715494), (72, 17857747), (139, 9250056), (278, 4625028), (417, 3083352), (556, 2312514), (834, 1541676), (1112, 1156257), (1251, 1027784), (1668, 770838), (2502, 513892), (3336, 385419), (5004, 256946), (10008, 128473)]