208156739

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 252698880

約数和(自身を除く): 44542141

約数列:

[1, 7, 23, 67, 161, 469, 529, 839, 1541, 3703, 5873, 10787, 19297, 35443, 56213, 135079, 248101, 393491, 443831, 1292899, 3106817, 9050293, 29736677, 208156739]

約数ペア:

[(1, 208156739), (7, 29736677), (23, 9050293), (67, 3106817), (161, 1292899), (469, 443831), (529, 393491), (839, 248101), (1541, 135079), (3703, 56213), (5873, 35443), (10787, 19297)]