138402572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6329}}^1$

素因数の和:6422

約数の個数: 48

約数和(自身を含む): 306270720

約数和(自身を除く): 167868148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 6329, 10934, 12658, 21868, 25316, 44303, 69619, 88606, 139238, 177212, 278476, 449359, 487333, 898718, 974666, 1797436, 1949332, 3145513, 4942949, 6291026, 9885898, 12582052, 19771796, 34600643, 69201286, 138402572]

約数ペア:

[(1, 138402572), (2, 69201286), (4, 34600643), (7, 19771796), (11, 12582052), (14, 9885898), (22, 6291026), (28, 4942949), (44, 3145513), (71, 1949332), (77, 1797436), (142, 974666), (154, 898718), (284, 487333), (308, 449359), (497, 278476), (781, 177212), (994, 139238), (1562, 88606), (1988, 69619), (3124, 44303), (5467, 25316), (6329, 21868), (10934, 12658)]