177764972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 396829440

約数和(自身を除く): 219064468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 121, 142, 154, 242, 284, 308, 484, 497, 739, 781, 847, 994, 1478, 1562, 1694, 1988, 2956, 3124, 3388, 5173, 5467, 8129, 8591, 10346, 10934, 16258, 17182, 20692, 21868, 32516, 34364, 52469, 56903, 60137, 89419, 104938, 113806, 120274, 178838, 209876, 227612, 240548, 357676, 367283, 577159, 625933, 734566, 1154318, 1251866, 1469132, 2308636, 2503732, 4040113, 6348749, 8080226, 12697498, 16160452, 25394996, 44441243, 88882486, 177764972]

約数ペア:

[(1, 177764972), (2, 88882486), (4, 44441243), (7, 25394996), (11, 16160452), (14, 12697498), (22, 8080226), (28, 6348749), (44, 4040113), (71, 2503732), (77, 2308636), (121, 1469132), (142, 1251866), (154, 1154318), (242, 734566), (284, 625933), (308, 577159), (484, 367283), (497, 357676), (739, 240548), (781, 227612), (847, 209876), (994, 178838), (1478, 120274), (1562, 113806), (1694, 104938), (1988, 89419), (2956, 60137), (3124, 56903), (3388, 52469), (5173, 34364), (5467, 32516), (8129, 21868), (8591, 20692), (10346, 17182), (10934, 16258)]