28002338

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 24687838

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2903, 4823, 5806, 9646, 20321, 37739, 40642, 75478, 153859, 264173, 307718, 528346, 1077013, 2000167, 2154026, 4000334, 14001169, 28002338]

約数ペア:

[(1, 28002338), (2, 14001169), (7, 4000334), (13, 2154026), (14, 2000167), (26, 1077013), (53, 528346), (91, 307718), (106, 264173), (182, 153859), (371, 75478), (689, 40642), (742, 37739), (1378, 20321), (2903, 9646), (4823, 5806)]