206531521

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6701}}^1$

素因数の和:6769

約数の個数: 24

約数和(自身を含む): 261297576

約数和(自身を除く): 54766055

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 833, 1813, 4403, 6701, 30821, 46907, 113917, 247937, 328349, 797419, 1735559, 4214929, 5581933, 12148913, 29504503, 206531521]

約数ペア:

[(1, 206531521), (7, 29504503), (17, 12148913), (37, 5581933), (49, 4214929), (119, 1735559), (259, 797419), (629, 328349), (833, 247937), (1813, 113917), (4403, 46907), (6701, 30821)]