247996903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 322979328

約数和(自身を除く): 74982425

約数列:

[1, 7, 11, 37, 61, 77, 259, 407, 427, 671, 1427, 2257, 2849, 4697, 9989, 15697, 15799, 24827, 52799, 87047, 109879, 173789, 369593, 580789, 609329, 957517, 3220739, 4065523, 6702619, 22545173, 35428129, 247996903]

約数ペア:

[(1, 247996903), (7, 35428129), (11, 22545173), (37, 6702619), (61, 4065523), (77, 3220739), (259, 957517), (407, 609329), (427, 580789), (671, 369593), (1427, 173789), (2257, 109879), (2849, 87047), (4697, 52799), (9989, 24827), (15697, 15799)]