940978619

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 1146212352

約数和(自身を除く): 205233733

約数列:

[1, 7, 31, 61, 67, 217, 427, 469, 1061, 1891, 2077, 4087, 7427, 13237, 14539, 28609, 32891, 64721, 71087, 126697, 230237, 453047, 497609, 886879, 2006351, 2203697, 4336307, 14044457, 15425879, 30354149, 134425517, 940978619]

約数ペア:

[(1, 940978619), (7, 134425517), (31, 30354149), (61, 15425879), (67, 14044457), (217, 4336307), (427, 2203697), (469, 2006351), (1061, 886879), (1891, 497609), (2077, 453047), (4087, 230237), (7427, 126697), (13237, 71087), (14539, 64721), (28609, 32891)]