699648001

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 805200000

約数和(自身を除く): 105551999

約数列:

[1, 13, 19, 109, 169, 247, 1417, 1999, 2071, 3211, 18421, 25987, 26923, 37981, 217891, 337831, 349999, 493753, 2832583, 4139929, 6418789, 36823579, 53819077, 699648001]

約数ペア:

[(1, 699648001), (13, 53819077), (19, 36823579), (109, 6418789), (169, 4139929), (247, 2832583), (1417, 493753), (1999, 349999), (2071, 337831), (3211, 217891), (18421, 37981), (25987, 26923)]