157915289

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 196171200

約数和(自身を除く): 38255911

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 2389, 3479, 9443, 16723, 45391, 66101, 117061, 169619, 317737, 1187333, 2224159, 3222761, 8311331, 22559327, 157915289]

約数ペア:

[(1, 157915289), (7, 22559327), (19, 8311331), (49, 3222761), (71, 2224159), (133, 1187333), (497, 317737), (931, 169619), (1349, 117061), (2389, 66101), (3479, 45391), (9443, 16723)]