199470817

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 250789056

約数和(自身を除く): 51318239

約数列:

[1, 7, 13, 49, 91, 487, 637, 643, 3409, 4501, 6331, 8359, 23863, 31507, 44317, 58513, 310219, 313141, 409591, 2191987, 4070833, 15343909, 28495831, 199470817]

約数ペア:

[(1, 199470817), (7, 28495831), (13, 15343909), (49, 4070833), (91, 2191987), (487, 409591), (637, 313141), (643, 310219), (3409, 58513), (4501, 44317), (6331, 31507), (8359, 23863)]