81602836

素因数分解:

$2^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1867}}^1$

素因数の和:2108

約数の個数: 36

約数和(自身を含む): 166954368

約数和(自身を除く): 85351532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 223, 446, 892, 1561, 1867, 3122, 3734, 6244, 7468, 10927, 13069, 21854, 26138, 43708, 52276, 91483, 182966, 365932, 416341, 832682, 1665364, 2914387, 5828774, 11657548, 20400709, 40801418, 81602836]

約数ペア:

[(1, 81602836), (2, 40801418), (4, 20400709), (7, 11657548), (14, 5828774), (28, 2914387), (49, 1665364), (98, 832682), (196, 416341), (223, 365932), (446, 182966), (892, 91483), (1561, 52276), (1867, 43708), (3122, 26138), (3734, 21854), (6244, 13069), (7468, 10927)]