489690859

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{947}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 582940368

約数和(自身を除く): 93249509

約数列:

[1, 7, 49, 61, 173, 427, 947, 1211, 2989, 6629, 8477, 10553, 46403, 57767, 73871, 163831, 404369, 517097, 1146817, 2830583, 8027719, 9993691, 69955837, 489690859]

約数ペア:

[(1, 489690859), (7, 69955837), (49, 9993691), (61, 8027719), (173, 2830583), (427, 1146817), (947, 517097), (1211, 404369), (2989, 163831), (6629, 73871), (8477, 57767), (10553, 46403)]