81722534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 132192000

約数和(自身を除く): 50469466

約数列:

[1, 2, 19, 38, 101, 107, 199, 202, 214, 398, 1919, 2033, 3781, 3838, 4066, 7562, 10807, 20099, 21293, 21614, 40198, 42586, 205333, 381881, 404567, 410666, 763762, 809134, 2150593, 4301186, 40861267, 81722534]

約数ペア:

[(1, 81722534), (2, 40861267), (19, 4301186), (38, 2150593), (101, 809134), (107, 763762), (199, 410666), (202, 404567), (214, 381881), (398, 205333), (1919, 42586), (2033, 40198), (3781, 21614), (3838, 21293), (4066, 20099), (7562, 10807)]