289447067

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 366912000

約数和(自身を除く): 77464933

約数列:

[1, 7, 13, 49, 91, 139, 343, 467, 637, 973, 1807, 3269, 4459, 6071, 6811, 12649, 22883, 42497, 47677, 64913, 88543, 160181, 297479, 454391, 619801, 843869, 2082353, 3180737, 5907083, 22265159, 41349581, 289447067]

約数ペア:

[(1, 289447067), (7, 41349581), (13, 22265159), (49, 5907083), (91, 3180737), (139, 2082353), (343, 843869), (467, 619801), (637, 454391), (973, 297479), (1807, 160181), (3269, 88543), (4459, 64913), (6071, 47677), (6811, 42497), (12649, 22883)]