81470585

素因数分解:

$5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1049}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 114193800

約数和(自身を除く): 32723215

約数列:

[1, 5, 7, 35, 49, 245, 317, 1049, 1585, 2219, 5245, 7343, 11095, 15533, 36715, 51401, 77665, 257005, 332533, 1662665, 2327731, 11638655, 16294117, 81470585]

約数ペア:

[(1, 81470585), (5, 16294117), (7, 11638655), (35, 2327731), (49, 1662665), (245, 332533), (317, 257005), (1049, 77665), (1585, 51401), (2219, 36715), (5245, 15533), (7343, 11095)]