81668213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 98496000

約数和(自身を除く): 16827787

約数列:

[1, 11, 19, 37, 59, 179, 209, 407, 649, 703, 1121, 1969, 2183, 3401, 6623, 7733, 10561, 12331, 24013, 37411, 41477, 72853, 116171, 125837, 200659, 390757, 456247, 1384207, 2207249, 4298327, 7424383, 81668213]

約数ペア:

[(1, 81668213), (11, 7424383), (19, 4298327), (37, 2207249), (59, 1384207), (179, 456247), (209, 390757), (407, 200659), (649, 125837), (703, 116171), (1121, 72853), (1969, 41477), (2183, 37411), (3401, 24013), (6623, 12331), (7733, 10561)]