16908479

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 20752560

約数和(自身を除く): 3844081

約数列:

[1, 7, 29, 49, 73, 163, 203, 511, 1141, 1421, 2117, 3577, 4727, 7987, 11899, 14819, 33089, 83293, 103733, 231623, 345071, 583051, 2415497, 16908479]

約数ペア:

[(1, 16908479), (7, 2415497), (29, 583051), (49, 345071), (73, 231623), (163, 103733), (203, 83293), (511, 33089), (1141, 14819), (1421, 11899), (2117, 7987), (3577, 4727)]