28661138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 19861102

約数列:

[1, 2, 11, 22, 59, 71, 118, 142, 311, 622, 649, 781, 1298, 1562, 3421, 4189, 6842, 8378, 18349, 22081, 36698, 44162, 46079, 92158, 201839, 242891, 403678, 485782, 1302779, 2605558, 14330569, 28661138]

約数ペア:

[(1, 28661138), (2, 14330569), (11, 2605558), (22, 1302779), (59, 485782), (71, 403678), (118, 242891), (142, 201839), (311, 92158), (622, 46079), (649, 44162), (781, 36698), (1298, 22081), (1562, 18349), (3421, 8378), (4189, 6842)]