65865215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3443

約数の個数: 24

約数和(自身を含む): 89333280

約数和(自身を除く): 23468065

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3389, 3887, 16945, 19435, 44057, 77947, 220285, 389735, 572741, 1013311, 2863705, 5066555, 13173043, 65865215]

約数ペア:

[(1, 65865215), (5, 13173043), (13, 5066555), (23, 2863705), (65, 1013311), (115, 572741), (169, 389735), (299, 220285), (845, 77947), (1495, 44057), (3389, 19435), (3887, 16945)]