1640422

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:916

約数の個数: 24

約数和(自身を含む): 3016440

約数和(自身を除く): 1376018

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 881, 931, 1762, 1862, 6167, 12334, 16739, 33478, 43169, 86338, 117173, 234346, 820211, 1640422]

約数ペア:

[(1, 1640422), (2, 820211), (7, 234346), (14, 117173), (19, 86338), (38, 43169), (49, 33478), (98, 16739), (133, 12334), (266, 6167), (881, 1862), (931, 1762)]