25738636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 57915648

約数和(自身を除く): 32177012

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 107, 121, 142, 154, 214, 242, 284, 308, 428, 484, 497, 749, 781, 847, 994, 1177, 1498, 1562, 1694, 1988, 2354, 2996, 3124, 3388, 4708, 5467, 7597, 8239, 8591, 10934, 12947, 15194, 16478, 17182, 21868, 25894, 30388, 32956, 34364, 51788, 53179, 60137, 83567, 90629, 106358, 120274, 167134, 181258, 212716, 240548, 334268, 362516, 584969, 919237, 1169938, 1838474, 2339876, 3676948, 6434659, 12869318, 25738636]

約数ペア:

[(1, 25738636), (2, 12869318), (4, 6434659), (7, 3676948), (11, 2339876), (14, 1838474), (22, 1169938), (28, 919237), (44, 584969), (71, 362516), (77, 334268), (107, 240548), (121, 212716), (142, 181258), (154, 167134), (214, 120274), (242, 106358), (284, 90629), (308, 83567), (428, 60137), (484, 53179), (497, 51788), (749, 34364), (781, 32956), (847, 30388), (994, 25894), (1177, 21868), (1498, 17182), (1562, 16478), (1694, 15194), (1988, 12947), (2354, 10934), (2996, 8591), (3124, 8239), (3388, 7597), (4708, 5467)]