28279494

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 63011520

約数和(自身を除く): 34732026

約数列:

[1, 2, 3, 6, 9, 18, 67, 131, 134, 179, 201, 262, 358, 393, 402, 537, 603, 786, 1074, 1179, 1206, 1611, 2358, 3222, 8777, 11993, 17554, 23449, 23986, 26331, 35979, 46898, 52662, 70347, 71958, 78993, 107937, 140694, 157986, 211041, 215874, 422082, 1571083, 3142166, 4713249, 9426498, 14139747, 28279494]

約数ペア:

[(1, 28279494), (2, 14139747), (3, 9426498), (6, 4713249), (9, 3142166), (18, 1571083), (67, 422082), (131, 215874), (134, 211041), (179, 157986), (201, 140694), (262, 107937), (358, 78993), (393, 71958), (402, 70347), (537, 52662), (603, 46898), (786, 35979), (1074, 26331), (1179, 23986), (1206, 23449), (1611, 17554), (2358, 11993), (3222, 8777)]