142128581

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 173352960

約数和(自身を除く): 31224379

約数列:

[1, 7, 37, 59, 71, 131, 259, 413, 497, 917, 2183, 2627, 4189, 4847, 7729, 9301, 15281, 18389, 29323, 33929, 54103, 65107, 154993, 285973, 344137, 548759, 1084951, 2001811, 2408959, 3841313, 20304083, 142128581]

約数ペア:

[(1, 142128581), (7, 20304083), (37, 3841313), (59, 2408959), (71, 2001811), (131, 1084951), (259, 548759), (413, 344137), (497, 285973), (917, 154993), (2183, 65107), (2627, 54103), (4189, 33929), (4847, 29323), (7729, 18389), (9301, 15281)]