81120386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{52067}}^1$

素因数の和:52129

約数の個数: 16

約数和(自身を含む): 131211360

約数和(自身を除く): 50090974

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 52067, 104134, 989273, 1978546, 2134747, 4269494, 40560193, 81120386]

約数ペア:

[(1, 81120386), (2, 40560193), (19, 4269494), (38, 2134747), (41, 1978546), (82, 989273), (779, 104134), (1558, 52067)]