2891566836

素因数分解:

$2^2\times 3^6\times {\mathrm{991621}}^1$

素因数の和:991643

約数の個数: 42

約数和(自身を含む): 7586899922

約数和(自身を除く): 4695333086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 991621, 1983242, 2974863, 3966484, 5949726, 8924589, 11899452, 17849178, 26773767, 35698356, 53547534, 80321301, 107095068, 160642602, 240963903, 321285204, 481927806, 722891709, 963855612, 1445783418, 2891566836]

約数ペア:

[(1, 2891566836), (2, 1445783418), (3, 963855612), (4, 722891709), (6, 481927806), (9, 321285204), (12, 240963903), (18, 160642602), (27, 107095068), (36, 80321301), (54, 53547534), (81, 35698356), (108, 26773767), (162, 17849178), (243, 11899452), (324, 8924589), (486, 5949726), (729, 3966484), (972, 2974863), (1458, 1983242), (2916, 991621)]