399588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 1096704

約数和(自身を除く): 697116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 71, 84, 134, 142, 201, 213, 268, 284, 402, 426, 469, 497, 804, 852, 938, 994, 1407, 1491, 1876, 1988, 2814, 2982, 4757, 5628, 5964, 9514, 14271, 19028, 28542, 33299, 57084, 66598, 99897, 133196, 199794, 399588]

約数ペア:

[(1, 399588), (2, 199794), (3, 133196), (4, 99897), (6, 66598), (7, 57084), (12, 33299), (14, 28542), (21, 19028), (28, 14271), (42, 9514), (67, 5964), (71, 5628), (84, 4757), (134, 2982), (142, 2814), (201, 1988), (213, 1876), (268, 1491), (284, 1407), (402, 994), (426, 938), (469, 852), (497, 804)]