131509254

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2609}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 272609280

約数和(自身を除く): 141100026

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 271, 542, 813, 1626, 2609, 5218, 7827, 8401, 15654, 16802, 25203, 50406, 80879, 161758, 242637, 485274, 707039, 1414078, 2121117, 4242234, 21918209, 43836418, 65754627, 131509254]

約数ペア:

[(1, 131509254), (2, 65754627), (3, 43836418), (6, 21918209), (31, 4242234), (62, 2121117), (93, 1414078), (186, 707039), (271, 485274), (542, 242637), (813, 161758), (1626, 80879), (2609, 50406), (5218, 25203), (7827, 16802), (8401, 15654)]