68494391

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 83613600

約数和(自身を除く): 15119209

約数列:

[1, 7, 23, 53, 161, 349, 371, 529, 1219, 2443, 3703, 8027, 8533, 18497, 28037, 56189, 129479, 184621, 196259, 425431, 1292347, 2978017, 9784913, 68494391]

約数ペア:

[(1, 68494391), (7, 9784913), (23, 2978017), (53, 1292347), (161, 425431), (349, 196259), (371, 184621), (529, 129479), (1219, 56189), (2443, 28037), (3703, 18497), (8027, 8533)]