71339737

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 90777060

約数和(自身を除く): 19437323

約数列:

[1, 7, 19, 37, 49, 109, 133, 259, 361, 703, 763, 931, 1813, 2071, 2527, 4033, 4921, 5341, 13357, 14497, 17689, 28231, 34447, 39349, 76627, 93499, 101479, 197617, 275443, 536389, 654493, 1455913, 1928101, 3754723, 10191391, 71339737]

約数ペア:

[(1, 71339737), (7, 10191391), (19, 3754723), (37, 1928101), (49, 1455913), (109, 654493), (133, 536389), (259, 275443), (361, 197617), (703, 101479), (763, 93499), (931, 76627), (1813, 39349), (2071, 34447), (2527, 28231), (4033, 17689), (4921, 14497), (5341, 13357)]