25181002

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 24585398

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 71, 77, 94, 98, 142, 154, 329, 343, 497, 517, 539, 658, 686, 781, 994, 1034, 1078, 1562, 2303, 3337, 3479, 3619, 3773, 4606, 5467, 6674, 6958, 7238, 7546, 10934, 16121, 23359, 24353, 25333, 32242, 36707, 38269, 46718, 48706, 50666, 73414, 76538, 163513, 177331, 256949, 267883, 327026, 354662, 513898, 535766, 1144591, 1798643, 2289182, 3597286, 12590501, 25181002]

約数ペア:

[(1, 25181002), (2, 12590501), (7, 3597286), (11, 2289182), (14, 1798643), (22, 1144591), (47, 535766), (49, 513898), (71, 354662), (77, 327026), (94, 267883), (98, 256949), (142, 177331), (154, 163513), (329, 76538), (343, 73414), (497, 50666), (517, 48706), (539, 46718), (658, 38269), (686, 36707), (781, 32242), (994, 25333), (1034, 24353), (1078, 23359), (1562, 16121), (2303, 10934), (3337, 7546), (3479, 7238), (3619, 6958), (3773, 6674), (4606, 5467)]