680731646

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{26731}}^1$

素因数の和:26864

約数の個数: 32

約数和(自身を含む): 1247208192

約数和(自身を除く): 566476546

約数列:

[1, 2, 7, 14, 17, 34, 107, 119, 214, 238, 749, 1498, 1819, 3638, 12733, 25466, 26731, 53462, 187117, 374234, 454427, 908854, 2860217, 3180989, 5720434, 6361978, 20021519, 40043038, 48623689, 97247378, 340365823, 680731646]

約数ペア:

[(1, 680731646), (2, 340365823), (7, 97247378), (14, 48623689), (17, 40043038), (34, 20021519), (107, 6361978), (119, 5720434), (214, 3180989), (238, 2860217), (749, 908854), (1498, 454427), (1819, 374234), (3638, 187117), (12733, 53462), (25466, 26731)]