28870138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 50232960

約数和(自身を除く): 21362822

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 814, 1073, 1223, 2146, 2446, 11803, 13453, 23606, 26906, 35467, 45251, 70934, 90502, 390137, 497761, 780274, 995522, 1312279, 2624558, 14435069, 28870138]

約数ペア:

[(1, 28870138), (2, 14435069), (11, 2624558), (22, 1312279), (29, 995522), (37, 780274), (58, 497761), (74, 390137), (319, 90502), (407, 70934), (638, 45251), (814, 35467), (1073, 26906), (1223, 23606), (2146, 13453), (2446, 11803)]