1388618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 2654208

約数和(自身を除く): 1265590

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 127, 142, 154, 254, 497, 781, 889, 994, 1397, 1562, 1778, 2794, 5467, 9017, 9779, 10934, 18034, 19558, 63119, 99187, 126238, 198374, 694309, 1388618]

約数ペア:

[(1, 1388618), (2, 694309), (7, 198374), (11, 126238), (14, 99187), (22, 63119), (71, 19558), (77, 18034), (127, 10934), (142, 9779), (154, 9017), (254, 5467), (497, 2794), (781, 1778), (889, 1562), (994, 1397)]