211092178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1499}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 357048000

約数和(自身を除く): 145955822

約数列:

[1, 2, 11, 22, 37, 74, 173, 346, 407, 814, 1499, 1903, 2998, 3806, 6401, 12802, 16489, 32978, 55463, 70411, 110926, 140822, 259327, 518654, 610093, 1220186, 2852597, 5705194, 9595099, 19190198, 105546089, 211092178]

約数ペア:

[(1, 211092178), (2, 105546089), (11, 19190198), (22, 9595099), (37, 5705194), (74, 2852597), (173, 1220186), (346, 610093), (407, 518654), (814, 259327), (1499, 140822), (1903, 110926), (2998, 70411), (3806, 55463), (6401, 32978), (12802, 16489)]