645121662

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{2803}}^1$

素因数の和:3328

約数の個数: 32

約数和(自身を含む): 1308234240

約数和(自身を除く): 663112578

約数列:

[1, 2, 3, 6, 89, 178, 267, 431, 534, 862, 1293, 2586, 2803, 5606, 8409, 16818, 38359, 76718, 115077, 230154, 249467, 498934, 748401, 1208093, 1496802, 2416186, 3624279, 7248558, 107520277, 215040554, 322560831, 645121662]

約数ペア:

[(1, 645121662), (2, 322560831), (3, 215040554), (6, 107520277), (89, 7248558), (178, 3624279), (267, 2416186), (431, 1496802), (534, 1208093), (862, 748401), (1293, 498934), (2586, 249467), (2803, 230154), (5606, 115077), (8409, 76718), (16818, 38359)]