22551221

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 7016779

約数列:

[1, 7, 11, 43, 49, 77, 139, 301, 343, 473, 539, 973, 1529, 2107, 3311, 3773, 5977, 6811, 10703, 14749, 23177, 41839, 47677, 65747, 74921, 162239, 292873, 460229, 524447, 2050111, 3221603, 22551221]

約数ペア:

[(1, 22551221), (7, 3221603), (11, 2050111), (43, 524447), (49, 460229), (77, 292873), (139, 162239), (301, 74921), (343, 65747), (473, 47677), (539, 41839), (973, 23177), (1529, 14749), (2107, 10703), (3311, 6811), (3773, 5977)]