201789847

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 252426240

約数和(自身を除く): 50636393

約数列:

[1, 7, 17, 47, 109, 119, 329, 331, 763, 799, 1853, 2317, 5123, 5593, 5627, 12971, 15557, 35861, 36079, 39389, 87091, 108899, 252553, 264469, 609637, 613343, 1695713, 1851283, 4293401, 11869991, 28827121, 201789847]

約数ペア:

[(1, 201789847), (7, 28827121), (17, 11869991), (47, 4293401), (109, 1851283), (119, 1695713), (329, 613343), (331, 609637), (763, 264469), (799, 252553), (1853, 108899), (2317, 87091), (5123, 39389), (5593, 36079), (5627, 35861), (12971, 15557)]