42904589

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 55566336

約数和(自身を除く): 12661747

約数列:

[1, 7, 13, 31, 67, 91, 217, 227, 403, 469, 871, 1589, 2077, 2821, 2951, 6097, 7037, 14539, 15209, 20657, 27001, 49259, 91481, 106463, 189007, 197717, 471479, 640367, 1384019, 3300353, 6129227, 42904589]

約数ペア:

[(1, 42904589), (7, 6129227), (13, 3300353), (31, 1384019), (67, 640367), (91, 471479), (217, 197717), (227, 189007), (403, 106463), (469, 91481), (871, 49259), (1589, 27001), (2077, 20657), (2821, 15209), (2951, 14539), (6097, 7037)]