81728902

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 130536000

約数和(自身を除く): 48807098

約数列:

[1, 2, 29, 58, 73, 97, 146, 194, 199, 398, 2117, 2813, 4234, 5626, 5771, 7081, 11542, 14162, 14527, 19303, 29054, 38606, 205349, 410698, 421283, 559787, 842566, 1119574, 1409119, 2818238, 40864451, 81728902]

約数ペア:

[(1, 81728902), (2, 40864451), (29, 2818238), (58, 1409119), (73, 1119574), (97, 842566), (146, 559787), (194, 421283), (199, 410698), (398, 205349), (2117, 38606), (2813, 29054), (4234, 19303), (5626, 14527), (5771, 14162), (7081, 11542)]