680608985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{4007}}^1$

素因数の和:4253

約数の個数: 32

約数和(自身を含む): 978849792

約数和(自身を除く): 298240807

約数列:

[1, 5, 7, 23, 35, 115, 161, 211, 805, 1055, 1477, 4007, 4853, 7385, 20035, 24265, 28049, 33971, 92161, 140245, 169855, 460805, 645127, 845477, 3225635, 4227385, 5918339, 19445971, 29591695, 97229855, 136121797, 680608985]

約数ペア:

[(1, 680608985), (5, 136121797), (7, 97229855), (23, 29591695), (35, 19445971), (115, 5918339), (161, 4227385), (211, 3225635), (805, 845477), (1055, 645127), (1477, 460805), (4007, 169855), (4853, 140245), (7385, 92161), (20035, 33971), (24265, 28049)]