28077413

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 8694427

約数列:

[1, 7, 13, 31, 37, 91, 217, 259, 269, 403, 481, 1147, 1883, 2821, 3367, 3497, 8029, 8339, 9953, 14911, 24479, 58373, 69671, 104377, 108407, 129389, 308543, 758849, 905723, 2159801, 4011059, 28077413]

約数ペア:

[(1, 28077413), (7, 4011059), (13, 2159801), (31, 905723), (37, 758849), (91, 308543), (217, 129389), (259, 108407), (269, 104377), (403, 69671), (481, 58373), (1147, 24479), (1883, 14911), (2821, 9953), (3367, 8339), (3497, 8029)]