81342884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{3023}}^1$

素因数の和:3096

約数の個数: 36

約数和(自身を含む): 168158592

約数和(自身を除く): 86815708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 961, 1922, 3023, 3844, 6046, 6727, 12092, 13454, 21161, 26908, 42322, 84644, 93713, 187426, 374852, 655991, 1311982, 2623964, 2905103, 5810206, 11620412, 20335721, 40671442, 81342884]

約数ペア:

[(1, 81342884), (2, 40671442), (4, 20335721), (7, 11620412), (14, 5810206), (28, 2905103), (31, 2623964), (62, 1311982), (124, 655991), (217, 374852), (434, 187426), (868, 93713), (961, 84644), (1922, 42322), (3023, 26908), (3844, 21161), (6046, 13454), (6727, 12092)]