686903615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 894478464

約数和(自身を除く): 207574849

約数列:

[1, 5, 17, 61, 85, 137, 305, 685, 967, 1037, 2329, 4835, 5185, 8357, 11645, 16439, 41785, 58987, 82195, 132479, 142069, 294935, 662395, 710345, 1002779, 2252143, 5013895, 8081219, 11260715, 40406095, 137380723, 686903615]

約数ペア:

[(1, 686903615), (5, 137380723), (17, 40406095), (61, 11260715), (85, 8081219), (137, 5013895), (305, 2252143), (685, 1002779), (967, 710345), (1037, 662395), (2329, 294935), (4835, 142069), (5185, 132479), (8357, 82195), (11645, 58987), (16439, 41785)]