138619649

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 181451520

約数和(自身を除く): 42831871

約数列:

[1, 7, 17, 19, 37, 119, 133, 259, 323, 629, 703, 1657, 2261, 4403, 4921, 11599, 11951, 28169, 31483, 61309, 83657, 197183, 220381, 429163, 535211, 1042253, 1164871, 3746477, 7295771, 8154097, 19802807, 138619649]

約数ペア:

[(1, 138619649), (7, 19802807), (17, 8154097), (19, 7295771), (37, 3746477), (119, 1164871), (133, 1042253), (259, 535211), (323, 429163), (629, 220381), (703, 197183), (1657, 83657), (2261, 61309), (4403, 31483), (4921, 28169), (11599, 11951)]