12988591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 17160192

約数和(自身を除く): 4171601

約数列:

[1, 7, 11, 37, 47, 77, 97, 259, 329, 407, 517, 679, 1067, 1739, 2849, 3589, 3619, 4559, 7469, 12173, 19129, 25123, 31913, 39479, 50149, 133903, 168683, 276353, 351043, 1180781, 1855513, 12988591]

約数ペア:

[(1, 12988591), (7, 1855513), (11, 1180781), (37, 351043), (47, 276353), (77, 168683), (97, 133903), (259, 50149), (329, 39479), (407, 31913), (517, 25123), (679, 19129), (1067, 12173), (1739, 7469), (2849, 4559), (3589, 3619)]